00225907

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AN ENGINEERING ANALYSIS IS MADE OF THE STREET NAME SIGNING PROBLEM TO MEET DRIVER INFORMATIONAL NEEDS ON MODERN ARTERIAL STREETS. EVALUATION OF THE RELATIVE CONTRAST BETWEEN THE LETTER AND SIGN BACKGROUND FOR VARIOUS COMBINATIONS OF LETTER COLOR AND BACKGROUND COLOR ARE DISCUSSED, AND AN ANALYTICAL ANALYSIS OF THE LETTER SIZE REQUIRED FOR THE DRIVER TO PROPERLY EXECUTE A LEFT-TURN MANEUVER ONTO AN INTERSECTING ROADWAY IS PRESENTED. ALTERNATIVE DESIGNS FOR PROVIDING STREET NAME INFORMATION TO THE DRIVER ARE DISCUSSED, AND A DESIGN PROCEDURE THAT CONSIDERS THE DRIVER'S PERCEPTION-REACTION TIME AND VISUAL ACUITY AND THE PHYSICAL CHARACTERISTICS OF THE INTERSECTION IS PRESENTED. /AUTHOR/

Paper sponsored by Committee on Operational Effects of Geometrics and presented at the 49th Annual Meeting.

01410264

pp 51-61

1970

Highway Research Record

Print

Figures (20) ; References (8) ; Tables (3)

Arterial highways; Color; Drivers; Guide signs; Intersections; Left turns; Legibility; Lettering; Reaction time; Streets; Traffic signs

Driver reaction; Street signs

Highways; Operations and Traffic Management

TRIS, TRB

Feb 8 1971 12:00AM

• INTERCHANGE RAMP COLOR DELINEATION AND MARKING STUDY
• SOME EFFECTS OF LATERAL SIGN DISPLACEMENT
• TRAFFIC SIGNALS AND OVERHEAD FLASHERS AT RURAL INTERSECTION: THEIR EFFECTIVENESS IN REDUCING ACCIDENTS