guide signs
DESCRIPTION
Common Guide Sign for Roads and Highways.TRANSCRIPT
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