Legibility of sign lettering depends on:
Choose the correct answer
Only sign cost
Only foundation depth
Only pavement type
Letter size, contrast, viewing distance and speed
Correct Answer
D. Letter size, contrast, viewing distance and speed
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Drivers need adequate time and distance to read signs at approach speed. Reference: IRC:67-2021 Code of Practice for Road Signs; PDF page references from downloaded public copy sign design/lettering principles; PDF sign design sections Traffic Signals
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This MCQ belongs to Geometric Design of Highways and Traffic Engineering. Full tests include timed attempts, rank comparison and subject-wise analysis.