with dedicated turn lane...e n d r o a d e w o r k e n d r o a d w o r k * * * * w o r k r o a d a h...
TRANSCRIPT
EN
D
RO
AD
WO
RK
EN
D
RO
AD
WO
RK
*
*
* *
WO
RK
RO
AD
AH
EA
D
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
WO
RK
RO
AD
AHE
AD
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
1 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-19-2019
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
LEGEND
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
W20-1-
48
Warnin
g Lig
ht
Type
A
A B C
A
Entrance Ra
mp
Control Sign
on Existing Lane
* Cover Turn Arrow
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
C
W20-1-
48
Warnin
g Lig
ht
Type
A
20
20
20
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
G20-2-48
(See
Note 5
B)
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2f-48
E5-
H2e-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
WITH DEDICATED TURN LANE
the temporary sign(s) shown in the median.
left turn lane or any other traversable pavement, omit
If the directions of traffic are separated by a two-way
For areas with drop lanes, see Sheet 2.
set-up is as shown on this sheet.
For areas without a dedicated turn lane, the closure
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-21-
2017.
CL
OS
ED
RIG
HT L
AN
E
AH
EA
D
WO
RK
RO
AD
AH
EA
D
WO
RK
RO
AD
AHE
AD
EN
D
RO
AD
WO
RK
G20-2-48
EN
D
RO
AD
WO
RK
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD CLOSED
ROAD
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
2 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-19-2019
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
W20-5-48
W4-2
R-48
W20-1-
48
Merge Taper
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
C
C/2
WITH DROP LANE
Entrance Ra
mp
B
AC
W20-1-
48
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
20
20
20
A
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
Shoulder
Taper
Shoulder
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2e-48
E5-
H2f-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
Shoulder
(See
Note 5
B)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
LEGEND
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
Board
Arro
w
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-21-
2017.
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
3 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-19-2019
David L.
Holstein
Sois
son
lane shall be closed.
traffic. If drums encroach into the opposing lane, the
10D. Drums shall not encroach into the opposing lane of
to prevent them from blowing over.
10C. Provisions shall be made to stabilize the cones and drums
or drums shall be used for the entire length.
be used for the entire length of the tangent section,
the same run will not be permitted. Either cones shall
tangents, intermixing of channelizing devices within
f) Where cones are substituted for drums along
e) Cone spacing shall match the drum spacing in Table II.
tapers.
d) Use of cones at night shall be prohibited along
minimum height of 42".
c) Cones used for nighttime traffic control shall have a
minimum height of 28".
b) Cones used for daytime traffic control shall have a
period.
order to resume work in the following such work
removed. They may again be placed on the highway in
work within the work period, the cones shall be
used continuously, day and night. Upon completion of
operation or for nighttime operation, but shall not be
a) Use of cones is permissible for either daytime
10B. Cones may be substituted for drums as follows:
20'.
The downstream taper drum spacing shall be approximately
of 5 drums shall be used to close the upstream shoulder.
tangent sections shall be as shown in Table II. A minimum
10A. The maximum drum spacing along tapers and along
DRUMS / CONES
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-21-
2017.
required whenever a night lane closure is necessary.
(E5-H2f) and LANE CLOSED AHEAD (W20-5) signs are
AHEAD (W20-1), RAMP CLOSED (E5-H2e), RAMP CLOSED AHEAD
9. Type A flashing warning lights shown on the ROAD WORK
FLASHING WARNING LIGHTS
821 and 921.
list and follow the guidelines in Supplemental Specifications
8. The arrow board shall be chosen from the ODOT approved
ARROW BOARD
additional cost unless separately itemized in the plans.
raised pavement marker reflectors shall be restored at no
accordance with CMS 614.11 I. The original markings and
other than CMS 740.06, Type I shall be removed in
7D. After completion of the work, pavement markings
completion.
Type I) unless the area will be resurfaced prior to project
,final traffic lanes shall be removable tape (CMS 740.06
7C. Work zone pavement markings which would conflict with
by 9' gaps, shall be provided to identify the merge.
c) Work zone dotted lines, 3' in length separated
removed or covered per CMS 614.11G.
b) The existing conflicting pavement markings shall be
applied along the taper and tangent sections.
a) The appropriate color work zone edge lines shall be
is required, the following shall be performed:
7B. Additionally, if a lane closure of greater than 3 days
shall be removed from the raised pavement markers (RPMs).
for more than 1 day, the existing conflicting reflectors
7A. If the construction operation requires a lane closure
PAVEMENT MARKINGS / RPMs
merge area to avoid distracting motorists.
the motorists using the ramp and well in advance of the
erected anywhere on ramps as long as they are visible to
of any other traffic control signs. The signs may be
shall be placed so as not to interfere with the visibility
right-hand side of the road/ramp facing traffic. They
road or ramp closure. The signs shall be erected on the
Contractor at least one week in advance of the scheduled
6F. Notice of Closure Signs (W20-H14) shall be erected by the
ramp is expected to be closed for 3 days or less.
Changeable Message Signs may be used when the entrance
With the prior approval from the Engineer, Portable
determined by the Engineer or as specified in the plans.
6E. Provide detour signing to direct to alternate routes as
than 3 days.
ramp when the entrance is expected to be closed for more
all overhead guide signs pertaining to the closed entrance
6D. Place a CLOSED (W20-H15a) overlay diagonally across
Extra Advance Sign Groups are not used.
may be expressed in feet. The plaque may be omitted if
beginning of the merging taper. Distances less than 1 mile
shown is in feet) shall indicate the distance to the
6C. The distance plaque W16-3aP (or W16-2aP if the distance
warning signs may be used.
6B. When the approach speed limit is 40 mph or less, 36"
specified in the plan.
6A. The Advisory Speed (W13-1P) plaque shall be used when
SIGNING DETAILS
lane, work zone signs shall be added in the median.
5D. On multi-lane divided roadways without a dual left turn
the period when both projects are active.
traffic control zone shall be omitted or covered during
or G20-2 signs which falls within the limits of another
avoided where the messages could be confusing. Any W20-1
5C. Overlapping of signing for adjacent projects should be
entrance ramp.
signs be placed on the main roadway intersecting the
closures of more than 3 days. It is intended that these
5B. END ROAD WORK (G20-2) signs are only required for ramp
entrance ramps or roadways entering the work limits.
5A. ROAD WORK AHEAD (W20-1) signs shall be provided on
BASIC SIGNING
roadway alignment.
sight distance for the existing vertical and horizontal
warning signs should be adjusted to provide for adequate
4. The location of the merging taper and the advance
ADJUSTMENTS FOR SIGHT DISTANCE
for speeds 50 mph or greater.
200' for speeds of 45 mph or less and a minimum of 400'
existing signs. Minimum spacing to existing signs shall be
3B. Sign spacing should be adjusted to avoid conflict with
times the distances shown in Table I.
minimums. Maximum spacing should not be greater than 1.5
3A. The work zone sign spacings shown in Table I are
SIGN SPACING
rate is provided in Table II.
shoulder by the shoulder taper rate. The shoulder taper
shall be determined by multiplying the width of the
2B. The minimum acceptable length for the shoulder taper
Table II.
the merge taper rate. The merge taper rate is provided in
shall be determined by multiplying the width of offset by
2A. The minimum acceptable length for the merge taper
TAPERS
project.
taper is not the first active construction area within the
speed may be used in determining the taper rate when the
projects for which the speed limit is reduced, the reduced
the permanent legal speed. However, on construction
1. The design speed used for taper rates should typically be
DESIGN SPEED
NOTES:
EN
D
RO
AD
WO
RK
EN
D
RO
AD
WO
RK
*
*
* *
WO
RK
RO
AD
AH
EA
D
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
WO
RK
RO
AD
AHE
AD
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
1 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-21-
2017
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
LEGEND
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
W20-1-
48
Warnin
g Lig
ht
Type
A
A B C
A
Entrance Ra
mp
Control Sign
on Existing Lane
* Cover Turn Arrow
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
C
W20-1-
48
Warnin
g Lig
ht
Type
A
20
20
20
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
G20-2-48
(See
Note 5
B)
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2f-48
E5-
H2e-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
WITH DEDICATED TURN LANE
the temporary sign(s) shown in the median.
left turn lane or any other traversable pavement, omit
If the directions of traffic are separated by a two-way
For areas with drop lanes, see Sheet 2.
set-up is as shown on this sheet.
For areas without a dedicated turn lane, the closure
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 01-
20-2017.
CL
OS
ED
RIG
HT L
AN
E
AH
EA
D
WO
RK
RO
AD
AH
EA
D
WO
RK
RO
AD
AHE
AD
EN
D
RO
AD
WO
RK
G20-2-48
EN
D
RO
AD
WO
RK
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD CLOSED
ROAD
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
2 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-21-
2017
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
W20-5-48
W4-2
R-48
W20-1-
48
Merge Taper
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
C
C/2
WITH DROP LANE
Entrance Ra
mp
B
AC
W20-1-
48
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
20
20
20
A
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
Shoulder
Taper
Shoulder
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2e-48
E5-
H2f-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
Shoulder
(See
Note 5
B)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
LEGEND
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
Board
Arro
w
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 01-
20-2017.
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
3 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
GS
CD
NU
MB
ER
MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
07-21-
2017
David L.
Holstein
Sois
son
lane shall be closed.
traffic. If drums encroach into the opposing lane, the
10D. Drums shall not encroach into the opposing lane of
to prevent them from blowing over.
10C. Provisions shall be made to stabilize the cones and drums
or drums shall be used for the entire length.
be used for the entire length of the tangent section,
the same run will not be permitted. Either cones shall
tangents, intermixing of channelizing devices within
f) Where cones are substituted for drums along
e) Cone spacing shall match the drum spacing in Table II.
tapers.
d) Use of cones at night shall be prohibited along
minimum height of 42".
c) Cones used for nighttime traffic control shall have a
minimum height of 28".
b) Cones used for daytime traffic control shall have a
period.
order to resume work in the following such work
removed. They may again be placed on the highway in
work within the work period, the cones shall be
used continuously, day and night. Upon completion of
operation or for nighttime operation, but shall not be
a) Use of cones is permissible for either daytime
10B. Cones may be substituted for drums as follows:
20'.
The downstream taper drum spacing shall be approximately
of 5 drums shall be used to close the upstream shoulder.
tangent sections shall be as shown in Table II. A minimum
10A. The maximum drum spacing along tapers and along
DRUMS / CONES
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 01-
20-2017.
the design level of the existing overhead sign.
than 3 days. Match the design level of the overlay with
ramp when the entrance is expected to be closed for more
all overhead guide signs pertaining to the closed entrance
6D. Place a CLOSED (W20-H15a) overlay diagonally across
Extra Advance Sign Groups are not used.
may be expressed in feet. The plaque may be omitted if
beginning of the merging taper. Distances less than 1 mile
shown is in feet) shall indicate the distance to the
6C. The distance plaque W16-3aP (or W16-2aP if the distance
warning signs may be used.
6B. When the approach speed limit is 40 mph or less, 36"
specified in the plan.
6A. The Advisory Speed (W13-1P) plaque shall be used when
SIGNING DETAILS
lane, work zone signs shall be added in the median.
5D. On multi-lane divided roadways without a dual left turn
the period when both projects are active.
traffic control zone shall be omitted or covered during
or G20-2 signs which falls within the limits of another
avoided where the messages could be confusing. Any W20-1
5C. Overlapping of signing for adjacent projects should be
entrance ramp.
signs be placed on the main roadway intersecting the
closures of more than 3 days. It is intended that these
5B. END ROAD WORK (G20-2) signs are only required for ramp
entrance ramps or roadways entering the work limits.
5A. ROAD WORK AHEAD (W20-1) signs shall be provided on
BASIC SIGNING
roadway alignment.
sight distance for the existing vertical and horizontal
warning signs should be adjusted to provide for adequate
4. The location of the merging taper and the advance
ADJUSTMENTS FOR SIGHT DISTANCE
for speeds 50 mph or greater.
200' for speeds of 45 mph or less and a minimum of 400'
existing signs. Minimum spacing to existing signs shall be
3B. Sign spacing should be adjusted to avoid conflict with
times the distances shown in Table I.
minimums. Maximum spacing should not be greater than 1.5
3A. The work zone sign spacings shown in Table I are
SIGN SPACING
rate is provided in Table II.
shoulder by the shoulder taper rate. The shoulder taper
shall be determined by multiplying the width of the
2B. The minimum acceptable length for the shoulder taper
Table II.
the merge taper rate. The merge taper rate is provided in
shall be determined by multiplying the width of offset by
2A. The minimum acceptable length for the merge taper
TAPERS
project.
taper is not the first active construction area within the
speed may be used in determining the taper rate when the
projects for which the speed limit is reduced, the reduced
the permanent legal speed. However, on construction
1. The design speed used for taper rates should typically be
DESIGN SPEED
NOTES:
required whenever a night lane closure is necessary.
(E5-H2f) and LANE CLOSED AHEAD (W20-5) signs are
AHEAD (W20-1), RAMP CLOSED (E5-H2e), RAMP CLOSED AHEAD
9. Type A flashing warning lights shown on the ROAD WORK
FLASHING WARNING LIGHTS
821 and 921.
list and follow the guidelines in Supplemental Specifications
8. The arrow board shall be chosen from the ODOT approved
ARROW BOARD
additional cost unless separately itemized in the plans.
raised pavement marker reflectors shall be restored at no
accordance with CMS 614.11 I. The original markings and
other than CMS 740.06, Type I shall be removed in
7D. After completion of the work, pavement markings
completion.
Type I) unless the area will be resurfaced prior to project
,final traffic lanes shall be removable tape (CMS 740.06
7C. Work zone pavement markings which would conflict with
by 9' gaps, shall be provided to identify the merge.
c) Work zone dotted lines, 3' in length separated
removed or covered per CMS 614.11G.
b) The existing conflicting pavement markings shall be
applied along the taper and tangent sections.
a) The appropriate color work zone edge lines shall be
is required, the following shall be performed:
7B. Additionally, if a lane closure of greater than 3 days
shall be removed from the raised pavement markers (RPMs).
for more than 1 day, the existing conflicting reflectors
7A. If the construction operation requires a lane closure
PAVEMENT MARKINGS / RPMs
merge area to avoid distracting motorists.
the motorists using the ramp and well in advance of the
erected anywhere on ramps as long as they are visible to
of any other traffic control signs. The signs may be
shall be placed so as not to interfere with the visibility
right-hand side of the road/ramp facing traffic. They
road or ramp closure. The signs shall be erected on the
Contractor at least one week in advance of the scheduled
6F. Notice of Closure Signs (W20-H14) shall be erected by the
ramp is expected to be closed for 3 days or less.
Changeable Message Signs may be used when the entrance
With the prior approval from the Engineer, Portable
determined by the Engineer or as specified in the plans.
6E. Provide detour signing to direct to alternate routes as
EN
D
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AD
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D
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*
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WO
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MP
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AH
EA
D
WO
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AHE
AD
RA
MP
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EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
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TR
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OR
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AT
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OHIO
DEP
AR
TM
EN
T
OF
01-
20-2017
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
LEGEND
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
W20-1-
48
Warnin
g Lig
ht
Type
A
A B C
A
Entrance Ra
mp
Control Sign
on Existing Lane
* Cover Turn Arrow
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
C
W20-1-
48
Warnin
g Lig
ht
Type
A
20
20
20
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
G20-2-48
(See
Note 5
B)
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2f-48
E5-
H2e-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
WITH DEDICATED TURN LANE
the temporary sign(s) shown in the median.
left turn lane or any other traversable pavement, omit
If the directions of traffic are separated by a two-way
For areas with drop lanes, see Sheet 2.
set-up is as shown on this sheet.
For areas without a dedicated turn lane, the closure
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-18-2014.
CL
OS
ED
RIG
HT L
AN
E
AH
EA
D
WO
RK
RO
AD
AH
EA
D
WO
RK
RO
AD
AHE
AD
EN
D
RO
AD
WO
RK
G20-2-48
EN
D
RO
AD
WO
RK
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD CLOSED
ROAD
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
2 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
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N
EN
TR
AN
CE
RA
MP
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
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DR
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MT-9
8.3
0
`̀`̀`
EN
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R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
TIO
N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
01-
20-2017
David L.
Holstein
Sois
son
R3-1-
48
R3-1-
36
W20-5-48
W4-2
R-48
W20-1-
48
Merge Taper
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
C
C/2
WITH DROP LANE
Entrance Ra
mp
B
AC
W20-1-
48
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
20
20
20
A
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
Shoulder
Taper
Shoulder
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
E5-
H2e-48
E5-
H2f-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
Shoulder
(See
Note 5
B)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
LEGEND
WITH SIGN
TYPE III BARRICADE
DRUMS/CONES
Board
Arro
w
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-18-2014.
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
3 3
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RN
BA
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CL
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ES
IN
TE
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N
EN
TR
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MP
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AN
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AY C
ON
ST
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MT-9
8.3
0
`̀`̀`
EN
GIN
EE
R
ST
DS.
RE
VISIO
N
DA
TE
TR
AN
SP
OR
TA
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N
AD
MINIS
TR
AT
OR
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF
01-
20-2017
David L.
Holstein
Sois
son
lane shall be closed.
traffic. If drums encroach into the opposing lane, the
10D. Drums shall not encroach into the opposing lane of
to prevent them from blowing over.
10C. Provisions shall be made to stabilize the cones and drums
or drums shall be used for the entire length.
be used for the entire length of the tangent section,
the same run will not be permitted. Either cones shall
tangents, intermixing of channelizing devices within
f) Where cones are substituted for drums along
e) Cone spacing shall match the drum spacing in Table II.
tapers.
d) Use of cones at night shall be prohibited along
minimum height of 42".
c) Cones used for nighttime traffic control shall have a
minimum height of 28".
b) Cones used for daytime traffic control shall have a
period.
order to resume work in the following such work
removed. They may again be placed on the highway in
work within the work period, the cones shall be
used continuously, day and night. Upon completion of
operation or for nighttime operation, but shall not be
a) Use of cones is permissible for either daytime
10B. Cones may be substituted for drums as follows:
20'.
The downstream taper drum spacing shall be approximately
of 5 drums shall be used to close the upstream shoulder.
tangent sections shall be as shown in Table II. A minimum
10A. The maximum drum spacing along tapers and along
DRUMS / CONES
required whenever a night lane closure is necessary.
(E5-H2f) and LANE CLOSED AHEAD (W20-5) signs are
AHEAD (W20-1), RAMP CLOSED (E5-H2e), RAMP CLOSED AHEAD
9. Type A flashing warning lights shown on the ROAD WORK
FLASHING WARNING LIGHTS
821 and 921.
list and follow the guidelines in Supplemental Specifications
8. The arrow board shall be chosen from the ODOT approved
ARROW BOARD
additional cost unless separately itemized in the plans.
raised pavement marker reflectors shall be restored at no
accordance with CMS 614.11 I. The original markings and
other than CMS 740.06, Type I shall be removed in
7E. After completion of the work, pavement markings
completion.
Type I) unless the area will be resurfaced prior to project
,final traffic lanes shall be removable tape (CMS 740.06
7D. Work zone pavement markings which would conflict with
tangent section when specified in the plans.
7C. Work zone edge lines shall be provided along the
by 9' gaps, shall be provided to identify the merge.
c) Work zone dotted lines, 3' in length separated
removed or covered per CMS 614.11G.
b) The existing conflicting pavement markings shall be
applied along the taper.
a) The appropriate color work zone edge lines shall be
is required, the following shall be performed:
7B. Additionally, if a lane closure of greater than 3 days
shall be removed from the raised pavement markers (RPMs).
for more than 1 day, the existing conflicting reflectors
7A. If the construction operation requires a lane closure
PAVEMENT MARKINGS / RPMs
merge area to avoid distracting motorists.
the motorists using the ramp and well in advance of the
erected anywhere on ramps as long as they are visible to
of any other traffic control signs. The signs may be
shall be placed so as not to interfere with the visibility
right-hand side of the road/ramp facing traffic. They
road or ramp closure. The signs shall be erected on the
Contractor at least one week in advance of the scheduled
6F. Notice of Closure Signs (W20-H14) shall be erected by the
ramp is expected to be closed for 3 days or less.
Changeable Message Signs may be used when the entrance
With the prior approval from the Engineer, Portable
determined by the Engineer or as specified in the plans.
6E. Provide detour signing to direct to alternate routes as
THIS
DR
AWIN
G R
EP
LA
CES
MT-98.30
DA
TE
D 07-18-2014.
the design level of the existing overhead sign.
than 3 days. Match the design level of the overlay with
ramp when the entrance is expected to be closed for more
all overhead guide signs pertaining to the closed entrance
6D. Place a CLOSED (W20-H15a) overlay diagonally across
Extra Advance Sign Groups are not used.
may be expressed in feet. The plaque may be omitted if
beginning of the merging taper. Distances less than 1 mile
shown is in feet) shall indicate the distance to the
6C. The distance plaque W16-3aP (or W16-2aP if the distance
warning signs may be used.
6B. When the approach speed limit is 40 mph or less, 36"
specified in the plan.
6A. The Advisory Speed (W13-1P) plaque shall be used when
SIGNING DETAILS
lane, work zone signs shall be added in the median.
5D. On multi-lane divided roadways without a dual left turn
the period when both projects are active.
traffic control zone shall be omitted or covered during
or G20-2 signs which falls within the limits of another
avoided where the messages could be confusing. Any W20-1
5C. Overlapping of signing for adjacent projects should be
entrance ramp.
signs be placed on the main roadway intersecting the
closures of more than 3 days. It is intended that these
5B. END ROAD WORK (G20-2) signs are only required for ramp
entrance ramps or roadways entering the work limits.
5A. ROAD WORK AHEAD (W20-1) signs shall be provided on
BASIC SIGNING
roadway alignment.
sight distance for the existing vertical and horizontal
warning signs should be adjusted to provide for adequate
4. The location of the merging taper and the advance
ADJUSTMENTS FOR SIGHT DISTANCE
for speeds 50 mph or greater.
200' for speeds of 45 mph or less and a minimum of 400'
existing signs. Minimum spacing to existing signs shall be
3B. Sign spacing should be adjusted to avoid conflict with
times the distances shown in Table I.
minimums. Maximum spacing should not be greater than 1.5
3A. The work zone sign spacings shown in Table I are
SIGN SPACING
rate is provided in Table II.
shoulder by the shoulder taper rate. The shoulder taper
shall be determined by multiplying the width of the
2B. The minimum acceptable length for the shoulder taper
Table II.
the merge taper rate. The merge taper rate is provided in
shall be determined by multiplying the width of offset by
2A. The minimum acceptable length for the merge taper
TAPERS
project.
taper is not the first active construction area within the
speed may be used in determining the taper rate when the
projects for which the speed limit is reduced, the reduced
the permanent legal speed. However, on construction
1. The design speed used for taper rates should typically be
DESIGN SPEED
NOTES:
W20-1-
48
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
ST
AT
E
OF
OHIO
DEP
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OF T
RA
NSP
OR
TA
TIO
N
DA
TE
1 3
AN
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BA
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IN
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EC
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N
EN
TR
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MP
07-18-2014
ST
AN
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AY C
ON
ST
RU
CTIO
N
DR
AWIN
G
EN
GIN
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R
ST
DS.
AD
MINIS
TR
AT
OR
Sois
son
SC
D
NU
MB
ER
MT-9
8.3
0
EN
D
RO
AD
WO
RK
EN
D
RO
AD
WO
RK
*
*
* *
WO
RK
RO
AD
AH
EA
D
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
WO
RK
RO
AD
AHE
AD
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD
R3-1-
48
R3-1-
36
LEGEND
TYPE III BARRICADE
DRUMS/CONES
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
Warnin
g Lig
ht
Type
A
A B C
A
Entrance Ra
mp
Control Sign
on Existing Lane
* Cover Turn Arrow
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
C
W20-1-
48
Warnin
g Lig
ht
Type
A
20
20
20
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
G20-2-48
(See
Note 5
B)
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
THIS IS
A
NE
W
DR
AWIN
G.
E5-
H2f-48
E5-
H2e-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow)
Warning Light
Type B Flashing (Yellow)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
WITH DEDICATED TURN LANE
the temporary sign(s) shown in the median.
left turn lane or any other traversable pavement, omit
If the directions of traffic are separated by a two-way
For areas with drop lanes, see Sheet 2.
set-up is as shown on this sheet.
For areas without a dedicated turn lane, the closure
Board
Flashin
g
Arro
w
Merge Taper
CL
OS
ED
RIG
HT L
AN
E
AH
EA
D
WO
RK
RO
AD
AH
EA
D
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF T
RA
NSP
OR
TA
TIO
N
DA
TE
2 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
07-18-2014
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
G
EN
GIN
EE
R
ST
DS.
AD
MINIS
TR
AT
OR
Sois
son
SC
D
NU
MB
ER
MT-9
8.3
0
WO
RK
RO
AD
AHE
AD
EN
D
RO
AD
WO
RK
G20-2-48
EN
D
RO
AD
WO
RK
RA
MP
CL
OS
ED
RA
MP
CL
OS
ED
AH
EA
D
RA
MP
CL
OS
ED
AH
EA
D
CLOSED
ROAD
CLOSED
ROAD
CLOSED
ROAD CLOSED
ROAD
LEGEND
R3-1-
48
R3-1-
36
W20-5-48
W4-2
R-48
TYPE III BARRICADE
DRUMS/CONES
W20-1-
48
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
C
C/2
WITH DROP LANE
Entrance Ra
mp
B
AC
W20-1-
48
Warnin
g Lig
ht
Type
A
A B
100
C
100 100
TABLE I (SIGN SPACING)
ROAD TYPE
350 350 350
DISTANCE BETWEEN SIGNS (FT)
TABLE II
30
35
45
50
60
65
15:1
45:1
50:1
65:1
60:1
21:1
5:1
15:1
17:1
22:1
20:1
7:1
25 11:1 4:1
40
55 55:1
27:1
19:1
9:1
155
200
250
305
360
425
495
570
645
20
20
20
20
20
20
2025
30
35
40
45
50
55
60
65
70 70:1 24:1 70 730
(MPH)
LIMIT
SPEED
MINIMUM
RATE
TAPER
MERGING
MINIMUM
RATE
TAPER
SHOULDER
(FT)
DRUM SPACING
MAXIMUM
TAPER SEC. TANGENT SEC. MINIMUM
(FT)
(D)
BUFFER
CONVENTIONAL
MAJOR500 500 500
264015001000EXPRESSWAY
FREEWAY &
20
20
20
A
(< 40 MPH)
URBAN
(> 45 MPH)
URBAN
Shoulder
Taper
Shoulder
G20-2-48
R11-2-48 R11-2-48 R11-2-48
R11-2-48
THIS IS
A
NE
W
DR
AWIN
G.
E5-
H2e-48
E5-
H2f-48
E5-
H2f-48
Warning Light
Type B Flashing (Yellow) Warning Light
Type B Flashing (Yellow)
Shoulder
(See
Note 5
B)
(See
Note 5
B)
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
Warnin
g Lig
ht
Type
A
EN
GIN
EE
RIN
G
RO
AD
WA
Y
OF
FIC
E
OF
ST
AT
E
OF
OHIO
DEP
AR
TM
EN
T
OF T
RA
NSP
OR
TA
TIO
N
DA
TE
3 3
AN
D
TU
RN
BA
Y
CL
OS
UR
ES
IN
TE
RS
EC
TIO
N
EN
TR
AN
CE
RA
MP
07-18-2014
ST
AN
DA
RD R
OA
DW
AY C
ON
ST
RU
CTIO
N
DR
AWIN
G
EN
GIN
EE
R
ST
DS.
AD
MINIS
TR
AT
OR
Sois
son
SC
D
NU
MB
ER
MT-9
8.3
0
level of the existing overhead sign.
Match the design level of the overlay with the design
entrance is expected to be closed for more than 3 days.
signs pertaining to the closed entrance ramp when the
6D. Place a CLOSED plaque diagonally across all overhead guide
Extra Advance Sign Groups are not used.
may be expressed in feet. The plaque may be omitted if
beginning of the merging taper. Distances less than 1 mile
shown is in feet) shall indicate the distance to the
6C. The distance plaque W16-3aP (or W16-2aP if the distance
warning signs may be used.
6B. When the approach speed limit is 40 mph or less, 36"
specified in the plan.
6A. The Advisory Speed (W13-1P) plaque shall be used when
SIGNING DETAILS
lane, work zone signs shall be added in the median.
5D. On multi-lane divided roadways without a dual left turn
the period when both projects are active.
traffic control zone shall be omitted or covered during
or G20-2 signs which falls within the limits of another
avoided where the messages could be confusing. Any W20-1
5C. Overlapping of signing for adjacent projects should be
entrance ramp.
signs be placed on the main roadway intersecting the
closures of more than 3 days. It is intended that these
5B. END ROAD WORK (G20-2) signs are only required for ramp
entrance ramps or roadways entering the work limits.
5A. ROAD WORK AHEAD (W20-1) signs shall be provided on
BASIC SIGNING
roadway alignment.
sight distance for the existing vertical and horizontal
warning signs should be adjusted to provide for adequate
4. The location of the merging taper and the advance
ADJUSTMENTS FOR SIGHT DISTANCE
for speeds 50 mph or greater.
200’ for speeds of 45 mph or less and a minimum of 400’
existing signs. Minimum spacing to existing signs shall be
3B. Sign spacing should be adjusted to avoid conflict with
times the distances shown in Table I.
minimums. Maximum spacing should not be greater than 1.5
3A. The work zone sign spacings shown in Table I are
SIGN SPACING
rate is provided in Table II.
shoulder by the shoulder taper rate. The shoulder taper
shall be determined by multiplying the width of the
2B. The minimum acceptable length for the shoulder taper
Table II.
the merge taper rate. The merge taper rate is provided in
shall be determined by multiplying the width of offset by
2A. The minimum acceptable length for the merge taper
TAPERS
project.
taper is not the first active construction area within the
speed may be used in determining the taper rate when the
projects for which the speed limit is reduced, the reduced
the permanent legal speed. However, on construction
1. The design speed used for taper rates should typically be
DESIGN SPEED
NOTES:
THIS IS
A
NE
W
DR
AWIN
G.
lane shall be closed.
traffic. If drums encroach into the opposing lane, the
10D. Drums shall not encroach into the opposing lane of
to prevent them from blowing over.
10C. Provisions shall be made to stabilize the cones and drums
or drums shall be used for the entire length.
be used for the entire length of the tangent section,
the same run will not be permitted. Either cones shall
tangents, intermixing of channelizing devices within
f) Where cones are substituted for drums along
e) Cone spacing shall match the drum spacing in Table II.
tapers.
d) Use of cones at night shall be prohibited along
minimum height of 42".
c) Cones used for nighttime traffic control shall have a
minimum height of 28".
b) Cones used for daytime traffic control shall have a
period.
order to resume work in the following such work
removed. They may again be placed on the highway in
work within the work period, the cones shall be
used continuously, day and night. Upon completion of
operation or for nighttime operation, but shall not be
a) Use of cones is permissible for either daytime
10B. Cones may be substituted for drums as follows:
20’.
The downstream taper drum spacing shall be approximately
of 5 drums shall be used to close the upstream shoulder.
tangent sections shall be as shown in Table II. A minimum
10A. The maximum drum spacing along tapers and along
DRUMS / CONES
required whenever a night lane closure is necessary.
(E5-H2f) and LANE CLOSED AHEAD (W20-5) signs are
AHEAD (W20-1), RAMP CLOSED (E5-H2e), RAMP CLOSED AHEAD
9. Type A flashing warning lights shown on the ROAD WORK
FLASHING WARNING LIGHTS
Supplemental Specifications 821 and 921.
ODOT approved list and follow the guidelines in
8. The flashing arrow board shall be chosen from the
FLASHING ARROW BOARD
additional cost unless separately itemized in the plans.
raised pavement marker reflectors shall be restored at no
accordance with CMS 614.11 I. The original markings and
other than CMS 740.06, Type I shall be removed in
7E. After completion of the work, pavement markings
completion.
Type I) unless the area will be resurfaced prior to project
,final traffic lanes shall be removable tape (CMS 740.06
7D. Work zone pavement markings which would conflict with
tangent section when specified in the plans.
7C. Work zone edge lines shall be provided along the
by 9’ gaps, shall be provided to identify the merge.
c) Work zone dotted lines, 3’ in length separated
removed or covered per CMS 614.11G.
b) The existing conflicting pavement markings shall be
applied along the taper.
a) The appropriate color work zone edge lines shall be
is required, the following shall be performed:
7B. Additionally, if a lane closure of greater than 3 days
shall be removed from the raised pavement markers (RPMs).
for more than 1 day, the existing conflicting reflectors
7A. If the construction operation requires a lane closure
PAVEMENT MARKINGS / RPMs
merge area to avoid distracting motorists.
the motorists using the ramp and well in advance of the
erected anywhere on ramps as long as they are visible to
of any other traffic control signs. The signs may be
shall be placed so as not to interfere with the visibility
right-hand side of the road/ramp facing traffic. They
road or ramp closure. The signs shall be erected on the
Contractor at least one week in advance of the scheduled
6F. Notice of Closure Signs (W20-H14) shall be erected by the
ramp is expected to be closed for 3 days or less.
Changeable Message Signs may be used when the entrance
With the prior approval from the Engineer, Portable
determined by the Engineer or as specified in the plans.
6E. Provide detour signing to direct to alternate routes as