guide signs

04/22/2023DPWH Road Safety Courses - RSPM 1

GUIDE SIGNS or INFORMATION SIGNS (Type

G)

Classifications

Advance Direction Signs (G1) Intersection Direction Signs (G2) Reassurance Direction Signs (G3) Finger Board Direction Signs (G4) Street Name Signs (G5) Town Name & Geographical Feature Signs (G6) Service Signs (G7) Tourist Information and Tourist Destination Signs (G8) Route Markers (G9)

Color

Advance Direction Signs

Stack Signs Diagrammatic Signs

Other Direction Signs

Intersection Signs Reassurance Signs

Design of Guide Signs

Distance travelled while reading the legend

Distance travelled observing or scanning signS cot A

S

Driver finished reading sign

Driver starts to read sign

Driver observes sign

Legibility Distance (L)

Environment Distance (m)Rural

V < 60 kphV < 75 kphV 75 – 90 kphV > 90 kph

Urban

100150200250100

H = 0.14NV + 11.4SLetter size equation

Code Sizes for Legend Heights

AA size(120mm)

A size(140mm)

B size(160/180mm)

C size(240mm)

D size(320mm)

E size(400/480mm)

- Low speed urban areas

- min. size for Advance Direction Signs

- Overhead mounted Direction signs and high speed roads

- Directional signs on Freeways & Expressways

- min. size for intersection directional signing

- Directional signs on Freeways & Expressways

Design of Guide Signs

MODIFIED SERIES E LETTER AND NUMERAL DIMENSIONS

Source: DPWH Highway Safety Design Standards Part 2: Road Signs and Pavement Markings, 2012 Edition, pp A138

Design of Guide SignsLOWER CASE LETTER DIMENSIONS

Source: DPWH Highway Safety Design Standards Part 2: Road Signs and Pavement Markings, 2012 Edition, pp A142

Design of Guide SignsMODIFIED SERIES E LETTER SPACING (640mm)

Source: DPWH Highway Safety Design Standards Part 2: Road Signs and Pavement Markings, 2012 Edition, pp A145

Modified Series E to Lower Case

Design of Guide SignsLOWER CASE LETTER SPACING (480mm)

Source: DPWH Highway Safety Design Standards Part 2: Road Signs and Pavement Markings, 2012 Edition, pp A145

Lower Case To Lower Case

Design of Guide SignsLOWER CASE LETTER SPACING (480mm)

Source: DPWH Highway Safety Design Standards Part 2: Road Signs and Pavement Markings, 2012 Edition, pp A146

Spacing Factor

Example 1

M a n i l a

Example 2

M o n u m e n t o

04/22/2023DPWH Road Safety Courses - RSPM 15

Sample Design of G1-1 with Traditional Border