motsam part i: section 5 temporary warnng signs · signs is a square shaped sign plate of minimum...

%

.

TEMPORARY WARNING SIGNS

SECTION 5

Interim Update : January 2010

Note: This section of MOTSAM is expected to be superseded during 2010 when it is merged with COPTTM and published as Part 8 of the Traffic Control Devices Manual.

Part 1 Signs TEMPORARY WARNING SIGNS Jan 2010

i

CONTENTS

Page Number

Page Date

SECTION 5: TEMPORARY WARNING SIGNS (Design, Policy And Location)

FIGURE 5.1 TEMPORARY WARNING SIGNS – STANDARD TW – A: DIAMOND SIGN PLATE 5-1 Jan 2010 FIGURE 5.2 TEMPORARY WARNING SIGNS – STANDARD TW – B: SQUARE SIGN PLATE 5-2 " FIGURE 5.3 TEMPORARY WARNING SIGNS STANDARD TW SIGN SUPPLEMENTARY

PLATES 5-3 "

FIGURE 5.4 TEMPORARY WARNING SIGNS STANDARD TW SIGN SUPPLEMENTARY PLATES

5-4 "

TW-1 ROAD WORKS 5-5 " TW-1B.1 ROADWORKS – 1 or 2 km 5-6 " TW-1B.2 ROAD WORKS – 1 or 2 km DELAYS POSSIBLE 5-7 " TW-1B.3 ROAD WORKS – "__" 0 km/h AHEAD 5-8 " TW-1.1 ROAD WORKS – NEXT "__" km 5-9 " TW-1.2 ROAD WORKS – NEW SEAL/WET TAR 5-10 " TW-1.3 ROAD WORKS – SPECIALIST MOBILE PLANT 5-12 " TW-1.4 ROAD WORKS – ROAD MARKING 5-14 " TW-1.5 ROAD WORKS – ON SIDE ROAD 5-15 " TW-1.6 ROAD WORKS – SHOULDER CLOSED 5-16 " TW-1.7 ROAD WORKS – SURVEYING 5-17 " TW-1.8 ROAD WORKS – BRIDGE REPAIRS 5-18 " TW-2 OTHER HAZARD (never erected separately) 5-19 " TW-2.1 OTHER HAZARD – FLOODING 5-20 " TW-2.2 OTHER HAZARD – WASHOUT 5-21 " TW-2.3 OTHER HAZARD – LINEMEN 5-22 " TW-2.4 OTHER HAZARD – BLASTING 5-23 " TW-2.5 OTHER HAZARD – TREE FELLING 5-24 " TW-2.6 OTHER HAZARD – LOGGING TRUCKS 5-25 " TW-2.7 OTHER HAZARD – TRUCKS CROSSING 5-26 " TW-2.8 OTHER HAZARD – NO ROAD MARKING 5-27 " TW-2.9 OTHER HAZARD – SIGNALS CHANGED 5-28 " TW-2.10 OTHER HAZARD – SIGNALS NOT WORKING 5-29 " TW-2.11 OTHER HAZARD – NEW ROAD LAYOUT 5-30 " TW-2.12 OTHER HAZARD – TRAFFIC SURVEY 5-31 " TW-2.13 OTHER HAZARD – VULNERABLE ROAD USER EVENT 5-32 " TW-2.14 OTHER HAZARD – ACCIDENT 5-34 " TW-2.15 OTHER HAZARD – FIRE 5-35 " TW-2.16 OTHER HAZARD – VULNERABLE ROAD USERS AHEAD 5-36 " TW-2.17 OTHER HAZARD – FUNERAL 5-38 " TW-2.18 OTHER HAZARD – FILM CREW 5-39 " TW-3 SLIPS 5-40 " NOTE: THE PAGE NUMBERS IN RED ARE DIFFERENT TO THOSE

IN THE 1998 HARD COPY ISSUE.

TEMPORARY WARNING SIGNS Part 1 Signs Jan 2010

ii

TW-4 SLIPPERY SURFACE 5-41 Jan 2010 TW-4.1 SLIPPERY SURFACE – ICE / GRIT 5-42 " TW-5 GRAVEL SURFACE 5-43 " TW-5.1 GRAVEL SURFACE – NEW SEAL 5-44 " TW-5.2 GRAVEL SURFACE – SEAL REPAIRS 5-45 " TW-6 STOCK – TEMPORARY (CATTLE) 5-46 " TW-6.1 STOCK – TEMPORARY (SHEEP) 5-46 " TW-7 LANE CLOSED – TWO LANE ONE WAY ROAD 5-47 " TW-7.1 LANE CLOSED – THREE LANE ONE WAY ROAD 5-48 " TW-7.1.1 CENTRE LANE CLOSED – THREE LANE ONE WAY ROAD 5-49 " TW-7.2 LANE CLOSED -- FOUR LANE ONE WAY ROAD 5-50 " TW-8 LANE SHIFT – TWO LANE ONE WAY ROAD 5-51 " TW-8.1 LANE SHIFT – THREE LANE ONE WAY ROAD 5-52 " TW-9 MERGING TRAFFIC – MAIN ROAD 5-53 " TW-10 MERGING TRAFFIC – SIDE ROAD 5-54 " TW-11 ADVANCE EXIT 5-55 " TW-12 EXIT DIRECTION 5-56 " TW-13/13.1 ONE LANE – LEFT/RIGHT/BOTH SIDE NARROWING 5-57 " TW-14 TRAFFIC SIGNALS – TEMPORARY 5-58 " TW-15 MANUAL TRAFFIC CONTROL 5-59 " TW-15.1 MANUAL TRAFFIC CONTROL (with supplementary TW-18 plate) 5-60 " TW-16 WORKS END (used with TW-1 ROAD WORKS signs) 5-61 " TW-17 THANK YOU (used with TW-2, TW-3, TW-4, TW-5 AND TW-6 signs) 5-62 " TW-18 PLEASE STOP ON REQUEST 5-63 " TW-19 DRY YOUR BRAKES 5-64 " TW-20 ROAD CLOSED AHEAD 5-65 " TW-21 DETOUR AHEAD – FOLLOW "symbol" 5-66 " TW-22 DETOUR – DIRECTION INDICATOR 5-67 " TW-23 DETOUR ENDS 5-68 " TW-24 CEMENT SPLASHES 5-69 " TW-24.1 LIME SPLASHES 5-69 " TW-25 PILOT CAR FOLLOW ME (vehicle mounted) 5-70 " TW-26 ROAD WORKS (vehicle mounted) 5-71 " TW-27 ROAD INSPECTON (vehicle mounted) 5-72 " TW-28 SITE ACCESS – "__"00m 5-73 " TW-29 SITE ACCESS – DIRECTION INDICATOR 5-74 " TW-30 CROSSING CLOSED - PLEASE USE ALTERNATIVE CROSSING 5-75 " TW-31 FOOTPATH CLOSED – PLEASE USE OTHER SIDE 5-76 " TW-32 TEMPORARY PEDESTRIAN/CYCLE ROUTE 5-77 " TW-33 STOP / GO PADDLE 5-79 " TW-34 PASS WITH CARE (vehicle mounted) 5-80 " TW-35 DIVERGE 5-81 " NOTE: THE PAGE NUMBERS IN RED ARE DIFFERENT TO THOSE

IN THE 1998 HARD COPY ISSUE.

Part 1 Signs TEMPORARY WARNING SIGNSJan 2010

5 - 1

TEMPORARY WARNING SIGNS STANDARD TW - A DIAMOND SIGN PLATE FIGURE 5.1

BORDER : A plain 25 mm border is illustrated. Alternatively, a15 mm border with a10 mm edge strip may be used

SYMBOL * : black (unless specified otherwise)BACKGROUND : TW - 1A and TW - 2A signs:

Reflectorised fluorescentorange. All other TW - A signs: Class1 reflectorised orange (unless specified otherwise)

BORDER : black

GENERAL SPECIFICATION: TW - A SignsThe main component of most TW - A Temporary WarningSigns is a diamond shaped sign plate, square with onediagonal vertical and of minimum size 750 mm x 750 mm,displaying an approved symbol. An approved word legendmay be displayed on a rectangular T W / A or Bsupplementary plate mounted up to 100 mm below the maindiamond sign, to form a sign combination.

TW - 7A and TW - 8A sign combinations have a squareshaped sign plate of minimum size 750 mm x 750 mmdisplaying an approved symbol and a rectangular TW / Csupplementary plate displaying a distance legend mountedimmediately below the main square sign.

No other symbols or word legends may be used unlessthey have been approved by the NZ Transport Agency..

All sign border corners are rounded. It is preferable thatsign plate corners are also rounded, to match the border.

Signs should be fitted to white painted, unpaintedgalvanised steel or unpainted aluminium stands which willprovide stability under w eather conditions likely to beexperienced on all but very rare occasions with the centreof the diamond sign being located at least 1.25 m above theroad surface. Portable sign stands should conform to therequirements of NZS 5414 : 1977 SPECIFICAT ION FORTHE CONSTRUCTION OF TRAFFIC SIGNS.

Note that w ith the except ion of sandw ich board mountedRP - 1.1 NO STOPPING AT ALL T IMES signs used intemporary road works situations, stand mounted sign platesshould be oriented normal to the road surface. Two A typeTemporary W arning Signs, T W - 25 A (25.1A) CEMENT(LIME) SPLASHES and T W - 17A TRAFFIC SURVEYSUPPLEMENTARY - PLEASE STOP ON REQUESTconsist only of w ord legends on rectangular sign plates.These signs are additional traffic direction signs which aremounted on separate stands just beyond the primary TW -A advance warning sign combination, ie. T W - 1A ROADWORKS and T W - 2.15A OTHER HAZ ARD - TRAFFICSURVEY respectively.

The above signs together with TW - 7A LANE CLOSED -ONE WAY ROAD, TW - 8A LANE SHIFT - ONE WAYROAD, TW - 15A WORKS END, TW - 16A THANK YOU,TW - 18A DRY YOUR BRAKES, TW - 19A ROAD CLOSEDAHEAD, TW - 20A DETOUR AHEAD - FOLLOW SYMBOL,TW - 22A DETOUR - DIRECTION INDICATOR andTW - 23A DETOUR ENDS signs are the only rectangular Atype TW signs that may be erected separately.

The TW - 34 STOP/GO PADDLE sign consists of a doublesided disc bearing specific word legends.

For dimensions refer to http://www.nzta.govt.nz/resources/traffic-control-devices-manual/sign-specifications/

http://www.nzta.govt.nz/resources/traffic-control-devices-manual/sign-specifications/

TEMPORARY WARNING SIGNS Part 1 SignJan 20105 - 2

TEMPORARY WARNING SIGNSFIGURE 5.2 STANDARD TW - B SQUARE SIGN PLATE

BORDER : A 30 mm plain border is illustrated.Alternatively, a 20 mm border with a10 mm edge strip may be used

SYMBOL * : black (unlessotherwise specified)

BACKGROUND : Class 1 reflectorisedwhite

DIAMOND : reflectorisedfluorescent orange

BORDERS : black

.

.

GENERAL SPECIFICATION: TW - B SignsThe main component of most TW - B Temporary WarningSigns is a square shaped sign plate of minimum size1200 mm x 1200 mm. Superimposed on the sign plate is adiamond shaped sign, square with one diagonal vertical andof minimum size 850 mm x 850 mm, displaying an approvedsymbol.

An approved w ord legend may be displayed on arectangular T W / D or E supplementary plate mountedimmediately below the main square sign, to form a signcombination.

No other symbols or word legends may be used unlessthey have been approved by the NZ Transport Agency..

All sign border corners are rounded. It is preferable thatsign plate corners are also rounded, to match the border.

Signs should be fitted to white painted, unpaintedgalvanised steel or unpainted aluminium stands which willensure stability under weather conditions likely to beexperienced on all but very rare occasions with theunderside of the sign, or the supplementary plate of a signcombination, being located at least 1.0 m above the roadsurface. Portable sign stands should conform to therequirements of NZS 5414 : 1977 SPECIFICAT ION FORTHE CONSTRUCTION OF TRAFFIC SIGNS.

Note that w ith the except ion of sandw ich board mo untedRP - 1.1 NO STOPPING AT ALL TIMES signs (used in thetemporary road works situation) stand mounted sign platesshould be oriented normal to the road surface.

Two B type Temporary Warning Signs, TW - 25B (25.1B)CEMENT (LIME) SPLASHES and TW - 17B TRAFFICSURVEY SUPPLEMENTARY - PLEASE STOP ONREQUEST consist only of word legends on rectangular signplates. T hese signs are additional traffic directi on signsand are mounted on separate stands just bey ond theprimary TW - B type advance warning sign combination, ie.TW - 1B ROAD WORKS and TW - 2.15B OTHER HAZARD- TRAFFIC SURVEY respectively.

The above signs together with TW - 7B LANE CLOSED -ONE WAY ROAD, TW - 8B LANE SHIFT - ONE WAYROAD, T W - 9B MERGING TRAFFIC - Main ROAD,TW - 10B MERGING TRAFFIC - SIDE ROAD, TW - 15 BWORKS END, TW - 16B THANK YOU, T W - 18B DRYYOUR BRAKES, TW - 19B ROAD CLOSED AHEAD,TW - 21B DETOUR AHEAD - FOLLOW SYMBOL, TW - 22BDETOUR - DIRECTION INDICATOR, TW - 23B DETOURENDS and TW - 24 EXIT DIRECTION signs are the only Btype TW signs that may be erected separately.

The TW - 34 STOP/GO PADDLE sign consists of a doublesided disc bearing specific word legends.




5 - 3

TEMPORARY WARNING SIGNS STANDARD TW SIGN SUPPLEMENTARY PLATES FIGURE 5.3

BORDER : A plain 25 mm border is illustrated. Alternatively, a 15 mm border with a 10 mm edge strip may be used

BORDER : A plain 25 mm border is illustrated. Alternatively, a 15 mm border with a 10 mm edge strip may be used.

LEGEND * : blackBACKGROUND : TW - 1A and TW - 2A

signs: Reflectorisedfluorescent orangeAll other TW - A signs: Class 1 reflectorisedorange (unlessspecified otherwise)

BORDER : black

* Refer to individual sign specifications for details of approved word legends.

LEGEND * : blackBACKGROUND : TW - 1A and TW - 2A

signs: Reflectorisedfluorescent orangeAll other TW - A signs: Class 1 reflectorisedorange (unlessspecified otherwise)

BORDER : black

TYPE TW / A

TYPE TW / B

GENERAL SPECIFICATIONThe supplement ary sign component of an A typeTemporary W arning Sign combination is a rectangularshaped TW / A or T W / B sign plate of typ e, as detailedabove, upon which is displayed an approved word legend.

Approved w ord legends are detailed for individual signcombinations. No other legend may be used unless ithas been approved by the NZ Transport Agency..

Sign border corners are rounded. It is preferable that signplate corners are also rounded, to match the border.



TEMPORARY WARNING SIGNS Part 1 SignsJan 20105 - 4

TEMPORARY WARNING SIGNSFIGURE 5.4 STANDARD TW SIGN SUPPLEMENTARY PLATES

LEGEND * : blackBACKGROUND : reflectorised fluorescent

orangeBORDER : black

* Refer to individual sign specifications for details of approved word legends.

LEGEND * : blackBACKGROUND # : reflectorised fluorescent

orangeBORDER : black

* Refer to individual sign specifications for details of approved word legends.# A white reflectorised background is used for the TW - 1B/3 ‘_’0 km/h AHEAD supplementary sign. plate.

BORDER : A 30 mm plain border is illustrated. Alternatively, a 20 mm border with a 10 mm edge strip may be used.

BORDER : A 30 mm plain border is illustrated. Alternatively, a 20 mm border with a 10 mm edge strip may be used.

TYPE TW / C

TYPE TW / D

GENERAL SPECIFICATIONThe supplementary sign component of a B type TemporaryWarning Sign combination is a rectangular shaped TW / Cor T W / D sign plate, as detailed above, upon w hich isdisplayed an approved word legend.

Approved word legends are detailed for individual signcombinations. No other legend may be used unless it hasbeen approved by the NZ Transport Agency..

Sign border corners are rounded. It is preferable that signplate corners are also rounded, to match the border.




TW - 1 ROADWORKS

TW - 1A

LEGEND : blackBACKGROUND : reflectorised

fluorescent orangeBORDERS : black

TW - 1B

LEGEND : blackBACKGROUND : Class 1 reflectorised

whiteTW DIAMOND : reflectorised fluorescent

orangeBORDERS : black

Policy: A TW - 1 sign consist of a ROAD WORKS symbol displayedon a standard TW - A or TW - B sign plate.

TW - 1 advance warning signs may only be erected by employees of theroad controlling authority , or with permission of the road controllingauthority by contractors or other authorised persons, when any type ofroad work from minor maintenance patching to major earthmoving isactually in progress.

TW - 1 signs may also be erected by employees of a railway operator tofacilitate maintenance of level crossing alarms.

The signs should be displayed when men or machines are working onor near the roadw ay or w here the road surface is in a rough state duringconstruction and the length does not exceed 1 km. If the length is morethan 1 km a TW - 1.1 ROAD WORKS NEXT " " km signs should be used. Where appropriateTW -1.2, TW - 1.3, TW -1.4, TW -1.7, TW - 2.3, TW - 4, TW - 5or TW - 5.1 signs should be used in preference to the TW - 1 sign.

Signs should be fitted to white painted, plain galvanised steel or plainaluminium stands. Under weather conditions likely to be experienced onall but very rare occasions the stands must be stable when:

! the centre of a TW - 1A diamond sign is located at least 1.25 mabove the road surface, or

! the underside of a TW - 1B sign is located at least 1.0 m above theroad surface.

Location: Normally , TW - 1 signs should be erected clear of thetraffic lanes. Where this is not practicable they shall be located so as tobe clearly visible to approaching drivers and not present an obstructionto traffic, cyclists or pedestrians.

The NZTA Code of Practice for Temporary Traffic Management specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the start of the road w orks site areachieved.



TEMPORARY WARNING SIGNS Part 1 SignsJan 2010%5 - 6

TW - 1B.1 ROAD WORKS – 1 or 2 km

BACKGROUND : Class 1 reflectorised white TW - 1A SIGN : reflectorised fluorescent orange BORDER AND LEGEND : black NUMERAL : 300 D . .

MAIN SIGN : TW - 1B

SUPPLEMENTARY SIGN

SIGN PLATE : TW / D BACKGROUND : Class 1 reflectoris BORDER AND LEGEND : black NUMERAL : 300 D NUMERAL WIDTH "a" : 1 = 71 mm, 2 = 201 mm SYMBOL "km" : 275 Mod.E

Policy: A TW -1B.1 sign may be either:! a single sign displaying a TW - 1A sign and a distance

legend "_"0 km on a white background, or! sign combination consisting of a TW - 1A sign and a

supplementary sign "_"0 km.

TW - 1B.1 signs may be used for major long-term temporarytraffic management on Level 2 and 3 roads, to give advancewarning of road works.

The distance displayed is the distance between the sign andthe start of any activity associ ated w ith the road works. Itshould normally be 1 km but if queues form in the vicinity of thesign it shall be moved back a further 1 kilometre and thedistance 2 km displayed.

The sign can only be erected by employees of the roadcontrolling authority or, with the permission of the roadcontrolling authority , by contractors or other authorisedpersons.

The underside of a TW - 1B.1 sign should be located at least1.0 m above the adjacent road surface.

Location: Normally, TW - 1B.1signs should be erectedclear of the traffic lanes. Where this is not practicable theyshall be located so as to be clearly visible to appro achingdrivers and not present an obstruction to traffic.

The NZTA CODE OF PRACTICEFOR TEMPORARY TRAFFIC MANAGEMENT specifieslocation and layout requirements for Temporary Warning signs.Special attention must be given to ensuring that the minimumclear visibility and spacing distances between the advance signand the start of the road works site are achieved.




ROAD WORKS – 1 or 2 kmTW - 1B.2 DELAYS POSSIBLE

BACKGROUND : Class 1 reflectorised whiteTW - 1A SIGN : reflectorised fluorescent orangeBORDER AND LEGEND : blackNUMERAL : 300 mm . . .

Policy: A TW -1B.2 sign consists of a TW - 1A sign, thedistance to the start of the road w orks and a DELAYSPOSSIBLE’ message displayed on a white backing board.

TW - 1B.2 signs may be used for major long-termtemporary traffic management on Level 2 and 3 roads, togive a dvance w arning of road w orks w here th ere i s aprobability of queues forming because of delays caused bythe work site activities.

The distance d isplayed is the distance betw een the signand the start of any activity associated with the road works.It should normally be 1 km but if queues form in the vicinityof the sign it shall be moved back a further one kilometreand the distance 2 km displayed.

The sign can only be erected by employees of the roadcontrolling authority or, with the permission of the roadcontrolling authority , by cont ractors or other authorisedpersons.

The underside of the sign should be located at least 1.0 mabove the adjacent road surface.

Location: Normally, TW - 1B.2 signs should be erectedclear of the traffic lanes. Where this is not practicable theyshall be located so as to be clearly visible to approachingdrivers and not present an obstruction to traffic.

The NZTA CODE OF PR ACTICEFOR T EMPORARY TRAFFIC MANAGEMENT specifieslocation and layout requirements for Temporary Warningsigns. Special attention must be given to ensuring that theminimum clear visibility and spacing distances between theadvance sign and the start of the road w orks site areachieved.




TW - 1B.3 ROAD WORKS – "_"0 km/h AHEAD

SIGN PLATE : TW / DBACKGROUND : Class 1 reflectorised whiteBORDER AND LEGEND : blackNUMERALS : 300 D.

.

. TW - 1B.3

Policy: A TW -1B.3 sign combination consists of aTW - 1B sign and a supplementary sign “_”0 km/h AHEAD.

TW - 1B.3 signs may be used for temporary trafficmanagement on Level 2 and 3 roads to give advancewarning of road works subject to a temporary speed limitrestriction. T he speed indicated is the temporary speedlimit applied at the work site.

The sign can only be erected by employees of the roadcontrolling authority or, w ith the permission of th e roadcontrolling authority , by cont ractors or other authorisedpersons.

The underside of the supplementary sign should be locatedat least 1.0 m above the adjacent road surface.

Location: Normally, TW - 1B.3signs should be erectedon both sides of the road and clear of the traffic lanes.where this is not practicable they shall be located so as tobe clearly visible to approaching drivers and not present anobstruction to traffic.

The NZTA CODE OF PRACTICEFOR TEMPORARY TRAFFIC MANAGEMENT specifieslocation and lay out requirements for Temporary W arningsigns. Special attention must be given to ensuring that theminimum clear visibility and spacing distances between theadvance sign and the start of the road works site areachieved.




5 - 9

ROAD WORKS – NEXT "_" km TW - 1.1

TW - 1.1A ** reflectorised fluorescent orange background

TW - 1.1B

SIGN SUPPLEMENTARYSIGN PLATELETTERS "NEXT" NUMERAL

SYMBOL"km"

TW - 1.1A TW / A * 100 C 150 D 100 Mod.ETW - 1.1B TW / C 125 C 175 D 125 Mod.E

a b c d e

257 100 numeralwidth 199 75

321 125 numeralwidth 249 85

* reflectorised fluorescent orange background

Policy: A T W - 1.1 sign combination consists of a TW - 1 ROADWORKS sign and a supplementary sign NEXT "_" km, or NEXT "_"00 m,if the work site is less than one kilometre in length.

TW - 1.1 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors or other authorised persons, when any type of road w orkresults in a road surface inferior to that on the approaches to the worksite and extends for a distance of more than 1 kilometre.

The signs shall be removed when the surface has been improved to astandard equal or better than that on the approaches to the work site.This is the responsibility of the person in charge of the work party at thesite.


! the centre of a TW - 1.1A diamond sign is located at least 1.25 mabove the road surface, or

! the underside of a TW - 1.1B sign combination is located at least1.0 m above the road surface.

Location: Normally, TW - 1.1 signs should be erected clear of thetraffic lanes. Where this is not practicable they shall be located so as tobe clearly visible to approaching drivers and not present an obstructionto traffic.

The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the start of the road w orks site areachieved.

For dimensions refer to




TW - 1.2 ROAD WORKS – NEW SEAL / WET TAR

TW - 1.2.1A ** reflectorised fluorescent orange background

TW - 1.2.1B

SIGN SUPPLEMENTARYSIGN PLATE LETTERS a b c

TW - 2.2.1A TW / A * 125 C 258 90 332TW -1.2.1B TW / C 160 C 330 115 425


Policy: A T W - 1.2 sign combination consists of a TW - 1 ROADWORKS sign and a supplementary sign NEW SEAL or WET TAR.

TW - 1.2 advance warning signs may only be erected by employees ofthe controlling authority or with permission of the controlling authority bycontractors or other authorised persons.

The NEW SEAL supplementary sign should be used to indicate sealingoperations and a newly sealed surface while it is susceptible to damageby motor traffic. The signs shall remain in place until the new sealingwork has been completed, to give reasonable protection to the sealing,and then must be replaced with TW - 5.1 GRAVEL SURFACE - NEWSEAL signs.

The W ET T AR supplementary sign should be used to indicate thesubsequent bleeding of a completed seal. It is the responsibility of theperson in charge of the work to remove the signs when the bleeding hasbeen repaired.

Signs should be fitted t o white painted, plain galvanised steel or plainaluminium stands. Under weather conditions likely to be experienced onall but very rare occasions the stands must be stable when:




The NZTA CODE OF PRACTICE F ORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the start of the road works site areachieved.





5 - 11

TW - 1.2 (cont.)


TW - 1.2.2B


TW - 1.2.2ATW / A * 125 D 300 99 297

TW - 1.2.2B TW / C 175 C 420 137 416





TW - 1.3 ROAD WORKS – SPECIALIST MOBILE PLANT

SIGNONE LINE SIGN TWO LINE SIGN

SUPPLEMENTARYSIGN PLATE LETTERS

SUPPLEMENTARYSIGN PLATE LETTERS a

TW - 1.3A TW / A * 125 D # TW / B * 125 D # 190TW - 1.3B TW / C 175 D # TW / D 160 D # 240

NOTES: * reflectorised fluorescent orange background# Preferred lettering. Series C may however be used for longer words

Policy: A TW -1.3 sign combination consists of a TW - 1ROAD WORKS sign and a supplementary sign displayingthe name of a specific type of specialist mobilemaintenance plant, eg. GRADER, MOWER , PAVEMENTBURNER, ROAD SWEEPER, SKID TESTING, WEEDSPRAYER.TW - 1.3 advance w arning signs may only be erected byemployees of the controlling authority, or with permission ofthe controll ing authority by contractors or other persons,whenever such maintenance plant not otherwise covered byTW - 1 ROAD WORKS or TW - 1.4 ROAD MARKING signs,is operating on the roadway. TW - 1.3 signs shall not beused for such mobile operations as patching where men areworking on the road.Where the maintenance operation is essentially restrictedto the shoulder or verge of the road and no obstructionoccurs to the traffic lanes other than by the presence of thevehicle itself, a single TW - 1.3 sign may be erected to warndrivers approa ching on the affected side of the road.Where a traffic lane is obstructed, TW - 1.3 signs must beplaced on each approach before maintenance operationscommence.Where necessary , eg. on w inding sections of road, anadditional supplementary message NEXT "_" km, details asfor the TW - 1.1 supplementary NEXT "-" km sign, may bedisplayed in conjunction with the main sign combination. Asingle line plant item name may be combined w ith theNEXT " -_" km message on a two line supplementary signplate. A separate additional supplementary sign should beused where the plant item is already displayed on a two linesign plate. In no cases should the work zone exceed 4km in length.

The plant operator must ensure that the TW - 1.3 signs aremoved as soon as operations are completed. When not inuse the signs should normally be stored on the plant itemconcerned.Signs should be fitted to w hite painted, plain galvanisedsteel or plain aluminium stands. Under weather conditionslikely to be experienced on all but very rare occasions thestands must be stable when:! the centre of a TW - 1.3A diamond sign is located at

least 1.25 m above the road surface, or! the underside of a TW - 1.3B sign combination is

located at least 1.0 m above the road surface.

Location: Normally, TW - 1.3 signs should be erectedclear of the traffic lanes. Where this is not practicable theyshall be located so as to be clearly visible to approachingdrivers and not present an obstruction to traffic.The NZTA CODE OF PRACTICEFOR T EMPORARY T RAFFIC MANAGEMENT s pecifieslocation and layout requirements for T emporary Warningsigns. Special attention must be given to ensuring that theminimum clear visibility and spacing distances between theadvance sign and the start of the road works site areachieved.


5 - 13

TW - 1.3 SIGN EXAMPLES

TW - 1.3A *.

.

TW - 1.3B





TW - 1.4 ROAD WORKS – ROAD MARKING


TW - 1.4B


TW - 1.4ATW / B * 125 D 430 190 714

TW - 1.4B TW / D 160 D 550 240 914


Policy: A T W - 1.4 sign combination consists of a TW - 1 ROADWORKS sign and a supplementary sign ROAD MARKING.

TW - 1.4 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors or other authorised pe rsons, when men or machines areengaged in road marking.

The signs shall be removed as soon as the road marking work has beencompleted. This is the responsibility of the person in charge of the workparty at the site.




Location: Normally , TW - 1.4signs should be erected clear of thetraffic lanes. Where this is not practicable they shall be located so as tobe clearly visible to approaching drivers and not present an obstructionto traffic.

The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the star t of the road w orks site areachieved.





5 - 15

ROAD WORKS – ON SIDE ROAD TW - 1.5


TW - 1.5B

SIGN SUPPLEMENTARYSIGN PLATE LETTERS a b c d e

TW - 1.5A TW / B * 125 D 201 113 351 190 430TW - 1.5B TW / D 160 D 257 145 449 240 550


Policy: A TW -1.5 sign combination consists of a TW - 1 ROAD WORKSsign and a supplementary sign ON SIDE ROAD.

TW - 1.5 advance warning signs may only be erected by employees of thecontrolling authority , or w ith permi ssion of the controlling au thority bycontractors or other authorised persons, when a work site on a side road islocated so close to an intersection that some, or all, of the advance warningsigns cannot be located at the correct distances from the work site.

TW - 1.5 signs may also be erected by employees of a railway operator tofacilitate maintenance of level crossing alarms.

At any time work is not in progress on the roadway, ie. during meal breaksand overnight, and the road surface is in a reasonably negotiable condition,the signs shall be covered or removed. T his is the responsibility of theperson in charge of the work party at the site.

The signs shall be removed as soon as the work has been completed. Thisis the responsibility of the person in charge of the work party at the site.

Signs should be fitted to w hite painted, plain galvanise d steel or plainaluminium stands. Under weather conditions likely to be experienced on allbut very rare occasions the stands must be stable when:


! the underside of a TW - 1.5B sign combination is located at least 1.0m above the road surface.

Location: Normally, TW - 1.5 signs should be erected clear of the trafficlanes. Where this is not practicable they shall be located so as to be clearlyvisible to approaching drivers and not present an obstruction to traffic.

The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and lay outrequirements for Temporary Warning signs. Special attention must be givento ensuring that the minimum clear visibility and spacing distances betweenthe advance sign and the start of the road works site are achieved.





TW - 1.6 ROAD WORKS – SHOULDER CLOSED


TW - 1.6B


TW - 1.6A TW / B * 125 C 716 190 516TW - 1.6B TW / D 160 C 916 240 772


Policy: A T W - 1.6 sign combination consists of a TW - 1 ROADWORKS sign and a supplementary sign SHOULDER CLOSED.

TW - 1.6 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors or other authorised persons, when a trafficable road shoulderis closed off by road works.

The signs shall be removed as soon as the work has been completed.This is the responsibility of the person in charge of the work party at thesite.





The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the start of the road works site areachieved.





5 - 17

ROAD WORKS – SURVEYING TW - 1.7


TW - 1.7B

SIGN SUPPLEMENTARYSIGN PLATE LETTERS a

TW - 1.7A TW / A * 125 C 762TW - 1.7B TW / C 160 C 975


Policy: A T W - 1.7 sign combination consists of a TW - 1 ROADWORKS sign and a supplementary sign SURVEYING.

TW - 1.7 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority,by other persons conducting surveys within the road reserve. The signsshould be displayed only w hen the survey party is actually on theroadway or close to the roadway edge.

At times when work has ceased, eg. during meal breaks and overnight,and when the survey party has moved from the road reserve the signsshall be removed. This is the responsibility of the person in charge of thesurvey party.





The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the star t of the road w orks site areachieved.





TW - 1.8 ROAD WORKS – BRIDGE REPAIRS%


TW - 1.8B

% % % % % % % % % % % % % % %

SIGN% SUPPLEMENTARY% SIGN PLATE% LETTERS% a% b% c%%%

TW - 1.8A% TW / B *% 125 D% 571% 190% 687%%%TW - 1.8B% TW / D% 160 D% 728% 240% 875%%%

* reflectorised fluorescent orange background% %

Policy: A T W - 1.8 sign combination consists of a TW - 1 ROAD%WORKS sign and a supplementary sign BRIDGE REPAIRS.%TW - 1.8 advance warning signs may only be erected by employees of%the controlling authority, or with permission of the controlling authority by%contractors or other authorised per sons, w hen maintenance w ork is%being undertaken on a bridge.%The signs shall be removed as soon as the work has been completed.%This is the responsibility of the person in charge of the work party at the%site.%Signs should be fi tted to white painted, plain galvanised steel or plain%aluminium stands. Under weather conditions likely to be experienced on%all but very rare occasions the stands must be stable when:%! the centre of a TW - 1.8A diamond sign is located at least 1.25 m%

above the road surface, or%! the underside of a TW - 1.8B sign combination is located at least%

1.0 m above the road surface.%

Location: Normally, TW - 1.8 signs should be erected clear of the%traffic lanes. Where this is not practicable they shall be located so as to%be clearly visible to approaching drivers and not present an obstruction%to traffic.%The NZTA CODE OF PRACTICE FOR%TEMPORARY TRAFFIC MANAGEMENT specifies location and layout%requirements for Temporary Warning signs. Special attention must be%given to ensuring that the minimum clear visibility and spacing distances%between the advance sign and the start of the road works site are%achieved.%

% % % % % % % % % % % % % % % % % % % %





5 - 19

OTHER HAZARD (never erected separately) TW - 2

TW - 2A

LEGEND : blackBACKGROUND : reflectorised

fluorescent orangeBORDERS : black

TW - 2B

LEGEND : blackBACKGROUND : reflectorised fluorescent

orangeBORDERS : black

SIGN a b c d e f

TW - 2A 225 525 40 175 40 360

TW - 2B 255 595 45 200 45 410

Policy: A T W - 2 sign consists of an OTHER HAZ ARD symboldisplayed on a standard TW sign plate.

TW - 2 advance w arning signs are only erected in combi nation w ithapproved supplementary signs that indicate, in words, certain specifictemporary hazards. The only approved sign combinations are TW - 2.1FLOODING, T W - 2.2 WASHOUT, T W - 2.3 LINEMEN, TW - 2.4BLASTING, TW - 2.5 TREE FELLING, TW - 2.6 LOGGING TRUCKS, TW- 2.7 TRUCKS CROSSING, TW - 2.8 NO ROAD MARKING, TW - 2.9SIGNALS CHANGED, TW - 2.10 SIGNALS NOT WORKING, TW - 2.11NEW ROAD LAYOUT , T W - 2.12 T RAFFIC SURVEY, T W - 2.13VULNERABLE ROAD USER EVENT, TW - 2.14 ACCIDENT, TW - 2.15FIRE, TW - 2.16 VULNERABLE ROAD USERS AHEAD and TW - 2.17FUNERAL.

NOTE: TW - 2 SIGNS MUST NEVER BE ERECTEDWITHOUT A N APPROVED WORDEDSUPPLEMENTARY SI GN TO IDENTIFY THESPECIFIC TEMPORARY HAZARD.

Refer to Figures. 5.1 and 5.2 for details ofthe standard TW sign plates





TW - 2.1 OTHER HAZARD – FLOODING


TW - 2.1B


TW - 2.1A TW / A * 125 D 784TW - 2.1B TW / C 160 D 1004


Policy: A T W - 2.1 si gn combination consists of a T W - 2 OT HERHAZARD sign and a supplementary sign FLOODING.

TW - 2.1 advance warning the controlling authority , police, or otherauthorised persons and should be used wherever surface water on theroadway creates a hazard. A depth of a few centimetres can bedangerous.

As soon as the surface flooding is no longer a hazard the signs shall beremoved. While this is primarily the responsibility of the organisation thaterected the signs, any other authorised person should turn the sign awayfrom approaching traffic when the warning is no longer applicable.










5 - 21

OTHER HAZARD – WASHOUT TW - 2.2


TW - 2.2B


TW - 2.2A TW / A * 125 D 772TW - 2.2B TW / C 160 D 988


Policy: A T W - 2.2 sign combination consists of a TW - 2 OT HERHAZARD sign and a supplementary sign WASHOUT.

TW - 2.2 advance warning signs may only be erected by employees ofthe controlling authority or police and should be used wherever a portionof the road has been eroded or fallen away thus reducing the road widthavailable to traffic. Edge marker posts should be used to indic ate theedge of the usable roadway.

As soon as the full width of the roadway is available to traffic the signsshall be removed. This is the responsibility of the controlling authority.










TW - 2.3 OTHER HAZARD – LINEMEN


TW - 2.3B


TW - 2.3A TW / A * 125 D 667TW - 2.3B TW / C 160 D 854


Policy: A T W - 2.3 si gn combination consists of a T W - 2 OT HERHAZARD sign and a supplementary sign LINEMEN.

TW - 2.3 advance warning signs may only be erected by employees ofa telecommunications network operator or an electricity transmissionagency. The signs should only be displayed when men or machines areworking on overhead lines or poles adjacent to the roadway.

At any time work is not in progress o n the overhead lines or poles, ieduring meal breaks, the signs shall be covered or removed. This is theresponsibility of the person in charge of the work party at the site.





The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies location and layoutrequirements for Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility and spacing distancesbetween the advance sign and the star t of the road works site areachieved.





5 - 23

OTHER HAZARD – BLASTING TW - 2.4


TW - 2.4B


TW - 2.4A TW / A * 125 D 783TW - 2.4B TW / C 160 D 1002


Policy: A T W - 2.4 sign combination consists of a TW - 2 OT HERHAZARD sign and a supplementary sign BLASTING.

TW - 2.4 advance warning signs may only be erected by employees ofthe controlling authority or with permission of the controlling authority bycontractors and other authorised persons.

The signs should be used to indicate blasting operations in hand on ornear the road and w here there is a danger to road users from fly ingdebris.

Traffic controllers using T W - 33 STOP/GO paddles together w ithTW - 15 or T W - 15.1 MANUAL TRAFFIC CONTROL signs must beemployed in conjunction with TW - 2.4 signs on all road approaches tothe danger area, to prevent traffi ceentering the danger ar ea for theduration of each danger period.

The signs shall only remain erected for the minimum time necessary toprovide fu ll protection to road users. Decisions to stop traffic and tore-open the road to traffic are the responsibility of the person in chargeof the blasting operations.

Signs should be fi tted to white painted, plain galvanised steel or plainaluminium stands. Under weather conditions likely to be experienced onall but very rare occasions the stands must be stable when:







http://www.nzta.SIGN


TW - 2.5 OTHER HAZARD – TREE FELLING


TW - 2.5B


TW - 2.5A TW / B * 125 D 387 190 642TW - 2.5B TW / C 160 D 495 240 822

* reflectorised fluorescent orange backgroundPolicy: TW - 2.5 sign combination consists of a TW - 2 OTHER HAZARDsign and a supplementary sign TREE FELLING.

TW -2.5 advance warning signs may only be erected by employees of thecontrolling authority or w ith permi ssion of the controlling authority bycontractors and other authorised persons.

The signs should be used to indicate tree trimming and/or felling operationsare being carried out on or near the road and there is a danger to road usersfrom falling branches or trees.

Traffic controllers using TW - 33 STOP/GO paddles together with TW - 15or TW - 15.1 MANUAL TRAFFIC CONTROL signs must be employ ed inconjunction with TW - 2.5 signs on all road approaches to the danger area,to prevent traffic entering the area for the duration of each danger period.

The signs shall o nly remain erected for the minimum time necessary toprovide full protection to road users. Decisions to stop traffic and to re-openthe road to traffic are the responsibility of the person in charge of the treetrimming and/or felling operations.

Signs should be fitted to w hite painted, p lain galvanised steel or plainaluminium stands. Under weather conditions likely to be experienced on allbut very rare occasions the stands must be stable when:


! the underside of a TW - 2.5B sign combination is located at least 1.0m above the road surface.

Location: Normally, TW - 2.5 signs should be erected clear of the trafficlanes. Where this is not practicable they shall be located so as to be clearlyvisible to approaching drivers and not present an obstruction to traffic.

The NZTA CODE OF PRACTICE FORTEMPORARY TRAFFIC MANAGEMENT specifies l ocation and lay outrequirements for Temporary Warning signs. Special attention must be givento ensuring that the minimum clear visibility and spacing distances betweenthe advance sign and the start of the road works site are achieved.





5 - 25

OTHER HAZARD – LOGGING TRUCKS TW - 2.6

TW - 2.6A ** reflectorised fluorescent

orange background

TW - 2.6B


TW - 2.6A TW / B * 125 D 675 190 625TW - 2.6B TW / D 160 D 864 240 800


Policy: A T W - 2.6 sign combination consists of a T W - 2 OTHERHAZARD sign and a supplementary sign LOGGING TRUCKS.

TW - 2.6 advance warning signs may only be erected by employees ofthe controlling authority or with permission of the controlling authority bylogging contractors and ot her authorised persons in situations w herelogging truck movements occur to and from a road (generally via privateforestry roads or farm gateway accesses) over relatively short periods(typically four to six weeks) while small forestry blocks are being logged.

The signs shall be covered or removed overnight or when loggingoperations have been suspended for periods greater than four hours.










TW - 2.7 OTHER HAZARD – TRUCKS CROSSING


TW - 2.7B


TW - 2.7A TW / B * 125 D 675 190 783TW - 2.7B TW / D 160 D 864 240 1012


Policy: A T W - 2.7 sign combination consists of a T W-7 OTHERHAZARD sign and a supplementary sign TRUCKS CROSSING.

TW - 2.7 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors and other aut horised persons, in situations w here a la rgenumber of truck movements occur to and from a site adjacent to the roadover a relatively short period (ty pically four to six weeks), while siteconstruction or development work is in progress. The signs should notbe used in urban areas or at road works sites.

The signs shall be covered or removed overnight.










5 - 27

OTHER HAZARD – NO ROAD MARKING TW - 2.8


TW - 2.8B


TW - 2.8A TW / B * 125 D 200 114 430 190 714TW - 2.8B TW / D 160 D 256 146 550 240 914


Policy: A T W - 2.8 sign combinatio n consists of a T W - 2 OT HERHAZARD sign and a supplementary sign NO ROAD MARKING.

TW - 2.8 advance warning signs may only be erected by employees ofthe controlling authority or, with permission of the controlling authority,by contractors or other authorised persons in situations w here roadmarkings have been obliter ated due to road work operations such aspavement burning and w here use of the TW - 5.1 NEW SEAL sign isinappropriate because it displays flying stones and a broken windscreen.The TW - 5.1 sign should continue to be used to w arn of re-surfacingoperations.

The signs shall be removed when the road markings have beenreinstated










TW - 2.9 OTHER HAZARD – SIGNALS CHANGED


TW - 2.9B


TW - 2.9A TW / B * 125 D 693 190 743TW - 2.9B TW / D 160 D 886 240 951


Policy: A T W - 2.9 sign combinati on consists of a T W - 2 OT HERHAZARD sign and a supplementary sign SIGNALS CHANGED.

TW - 2.9 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors and other aut horised persons, at intersecti ons where thetraffic signal control s equence changed. T he signs should remain inplace for at least two weeks following the changes.










5 - 29

OTHER HAZARD – SIGNALS NOT WORKING TW - 2.10


TW - 2.10B


TW -2.10A TW / B * “SIGNALS NOT” : 100 C“WORKING” : 100 D 461 76 201 200 572TW - 2.10B TW / D “SIGNALS NOT” : 125 C“WORKING” : 125 D 577 95 252 250 718


Policy: A TW - 2.10 sign combination consists of a T W-2 OTHERHAZARD sign and a supplementary sign SIGNALS NOT WORKING.

TW - 2.10 advance warning signs may only be erected by employees ofthe controlling authority or with permission of the controlling authority bycontractors or other authorised persons w hen a traffic signal is notoperational because of a fault or maintenance work.

The signs shall be remov ed as soon as the traffic signal is operating.This is the responsibility of the person in charge of the work party at thesite.

Signs should be fitted to white painted, plain galvanised steel or plai naluminium stands. Under weather conditions likely to be experienced onall but very rare occasions the stands must be stable when:









TW - 2.11 OTHER HAZARD – NEW ROAD LAYOUT


TW - 2.11B


TW - 2.11A TW / B * "NEW ROAD" : 125 C"LAYOUT" : 125 D 266 90 353 190 517TW - 2.11B TW / D "NEW ROAD" : 160 C"LAYOUT" : 160 D 340 115 452 240 662


Policy: A TW - 2.11 sign combination consists of a TW - 2 OTHERHAZARD sign and a supplementary sign NEW ROAD LAYOUT.

TW - 2.11 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors or other authorised persons, when a section of roadalignment or an existing intersection that has been altered by road worksis first opened to traffic. The signs should remain in place for at least twoweeks after the opening of the new alignment.










5 - 31

OTHER HAZARD – TRAFFIC SURVEY TW - 2.12


TW - 2.12B


TW - 2.12A TW / B * 125 D 664 190 647TW - 2.12B TW / D 160 D 850 240 828


Policy: A TW - 2.12 sign combination consists of a TW - 2 OTHERHAZARD sign and a supplementary sign TRAFFIC SURVEY.

TW - 2.12 advance warning signs may only be erected by employees ofthe controlling authority, or with permission of the controlling authority bycontractors or other authorised persons, on the approaches to roadsidesites for the duration of traffic survey driver interviews.

Each TW - 2.12 sign is to be augmented with a TW - 17 PLEASE STOPON REQUEST traffic direction sign. A TW - 16 THANK YOU sign is tobe erected downstream of the interview site.










TW - 2.13 OTHER HAZARD – VULNERABLE ROAD USER EVENT


TW - 2.13.1A TW / A * 100 D 407 87 333TW - 2.13.1B TW / C 150 C 500 107 408


TW - 2.13.2A TW / A * 125 D 742TW - 2.13.2B TW / C 160 D 946


TW - 2.13.3A TW / A * 125 D 744TW -2.13.3B TW / C 160 D 949


Policy: A TW - 2.13 sign combination consists of aTW - 2 OT HER HAZARD sign and a supplementary signindicating the ty pe of vulnerable road user event,ie. CYCLE RACE, RUNNERS or WALKERS.

TW - 2.13 advance warning signs may only be erected byemployees of the controlling authority or, w ith w rittenpermission of the controlling authority, by event organisersand other authorised person. These signs shall beremoved as soon as the event is completed, this is theresponsibility of the person(s) authorised to erect the signs.

Signs should be fitted to w hite painted, plain galvanisedsteel or plain aluminium stands. Under weather conditionslikely to be experienced on all but very rare occasions thestands must be stable when:

! the centre of a TW - 2.13A diamond sign is located atleast 1.25 m above the road surface, or

! the underside of a TW - 2.13B sign combination islocated at least 1.0 m above the road surface.

Location: Normally, TW - 2.13 signs should be erectedclear of the traffic lanes. Where this is not practicable theyshall be located so as to be clearly visible to approachingdrivers and not present an obstruction to traffic.

The Transit New Zealand publication CODE OF PRACTICEFOR T EMPORARY T RAFFIC MANAGEMENT s pecifieslocation and layout requirements for T emporary Warningsigns. Special attention must be given to ensuring that theminimum clear visibility and spacing distances between theadvance sign and the vulnerable roa d user event site isachieved.


5 - 33

EXAMPLE TW - 2.13 SIGNS


TW - 2.13.1B


TW - 2.13.3B




TW - 2.14 OTHER HAZARD – ACCIDENT


TW - 2.14B


TW - 2.14A TW / A * 125 D 786TW - 2.14B TW / C 160 D 1005


Policy: A TW - 2.14 sign combination consists of a TW - 2 OTHERHAZARD sign and a supplementary sign ACCIDENT.

TW - 2.14 advance warning signs may only be erected by the police orpersons authorised by them at major traffic accident sites.

As soon as the police authorise normal traffic operation can be resumedthe signs shall be removed. This is the responsibility of the person(s) ororganisation that erected the signs.










5 - 35

OTHER HAZARD – FIRE TW - 2.15


TW - 2.15B


TW - 2.15A TW / A * 150 Mod.E 565TW - 2.15B TW / C 200 Mod.E 753


Policy: A TW - 2.15 sign combination consists of a TW - 2 OTHERHAZARD sign and a supplementary sign FIRE.

TW - 2.15 advance warning signs may only be erected by employees ofthe controlling authority, fire services, police or other authorised personsand should be used wherever fire fighting operations, or drifting smoke,presents a hazard to normal traffic operations.

The signs shall be removed as soon as normal traffic operation can beresumed. This is the responsibility of the person(s) or organisation thaterected the signs.








http://www.nzta.SIGN


TW - 2.16 OTHER HAZARD – VULNERABLE ROAD USERS AHEAD

SIGN SUPPLEMENTARYSIGN PLATE LETTERS

TW - 2.16.1 TW / A * “CYCLISTS” : 125 D“AHEAD” : 125 E


TW - 2.16.2 TW / A * “RUNNERS” : 125 D“AHEAD” : 125 E


TW - 2.16.3 TW / A * “WALKERS” : 125 D“AHEAD” : 125 E


Policy: A T W - 2.16 sign combination consist s of aTW - 2 OTHER HAZARD sign and a supplementary signindicating vulnerable road users taking part in a longdistance event, ie. CYCLISTS AHEAD, RUNNERS AHEADor WALKERS AHEAD.TW - 2.16 advance w arning s igns may, w ith the w rittenpermission of the controlling authority, be erected on thefront and rear of pilot vehicles accompanying the vulnerableroad users by event organisers and other authorisedpersons.

Location: The NZTA CODEOF PRACTICE FOR TEMPORARY TRAFFICMANAGEMENT specifies location and layout requirementsfor Temporary Warning signs. Special attention must begiven to ensuring that the minimum clear visibility andspacing distances betw een the advance sign and thevulnerable road users are achieved.



TW - 2.16.1 *

TW - 2.16.2 * TW - 2.16.3 *



5 - 37

..

.. .

(This page is intentionally blank)


TW - 2.17 OTHER HAZARD – FUNERAL


TW - 2.17B


TW - 2.17A TW / A * 125 D 735%TW - 2.17B TW / C 160 D 939%


Policy: A T W - 2.17 sign combination consists of aTW - 2 OT HER HAZARD sign and a supplementary signFUNERAL.

TW - 2.17 advance warning signs may only be erected byemployees of the controlling authority or, with writtenpermission of the controlling authority by the organisers offunerals and other authorised persons, when it is likely thatthe funeral activities will present a hazard to normal trafficoperations.

The signs shall be removed as soon as the funeral activitiesno longer present a hazard to normal traffic operations,this is the responsibility of the person(s) authorised to erectthe signs.

Signs should be fitted to w hite pain ted, plain galvanisedsteel or plain aluminium stands. Under weather conditionslikely to be experienced on all but very rare occasions thestands must be stable when:

! the centre of a TW - 2.17A diamond sign is located atleast 1.25 m above the road surface, or

! the underside of a TW - 2.17B sign combination islocated at least 1.0 m above the road surface.

Location: Normally, TW - 2.17 signs should be erectedclear of the traffic lanes. Where this is not practicable theyshall be located so as to be clearly visible to approachingdrivers and not present an obstruction to traffic.

The NZTA CODE OF PRACTICEFOR T EMPORARY T RAFFIC MANAGEMENT specifieslocation and layout requirements for T emporary Warningsigns. Special attention must be given to ensuring that theminimum clear visibility and spacing distances between theadvance sign and the funeral activities are achieved.



http://www.SIGN

Part 1 Signs TEMPORARY WARNING SIGNSJan 2010%

5 - 39

OTHER HAZARD – FILM CREW TW - 2.18 %


TW - 2.18B

% % % % % % % % % % %

SIGN% SUPPLEMENTARY% SIGN PLATE% LETTERS% a% b% c%%%

TW - 2.14A% TW / A *% 125 D% 291% 95% 355%%%TW - 2.14B% TW / C% 160 D% 372% 122% 454%%%

* reflectorised fluorescent orange background %Policy: A T W - 2.18 sign combination consists of a%TW - 2 OT HER HAZARD sign and a supple mentary sign%FILM CREW.%TW - 2.18 advance warning signs may only be erected by%employees of the controlling author ity or, w ith w ritten%permission of the controlling authority by film makers and%other authorised persons, when it is likely that film making%activities will present a hazard to normal traffic operations.%The signs shall be removed as soon as the film making%activities no longer present a hazard to normal traffic%operations, this is the responsibility of the person(s)%authorised to erect the signs.%Signs should be fitted to white painted, plain galvanised%steel or plain aluminium stands. Under weather conditions%likely to be experienced on all but very rare occasions the%stands must be stable when:%! the centre of a TW - 2.18A diamond sign is located at%

least 1.25 m above the road surface, or%! the underside of a TW - 2.18B sign combination is%

located at least 1.0 m above the road surface.%

Location: Normally, TW - 2.18 signs should be erected%clear of the traffic lanes. Where this is not practicable they%shall be located so as to be clearly visible to approaching%drivers and not present an obstruction to traffic.%The NZTA CODE OF PRACTICE%FOR T EMPORARY T RAFFIC MANAGEMENT specifies%location and layout requirements for Temporary Warning%signs. Special attention must be given to ensuring that the%minimum clear visibility and spacing distances between the%advance sign and the start of the road w orks site are%achieved.%

%%%%%%%%%% %% % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % % %

For dimens

motsam part i: section 5 temporary warnng signs · signs is a square shaped sign plate of minimum...

Documents