Effective width may be reduced by:
Choose the correct answer
Better markings always
Parking, encroachments, bus stops and side friction
Adequate shoulders
Absence of intersections
Correct Answer
B. Parking, encroachments, bus stops and side friction
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Roadside friction reduces usable width and operating capacity. Reference: IRC:106-1990 Guidelines for Capacity of Urban Roads in Plain Areas; public PDF page references where text available effective width/side friction concepts
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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.