Civil Engineering > GATE 2026 SET-2 > Highway Geometric Design
A vertical curve is formed by a descending gradient of 1 in 40 meeting an ascending gradient of 1 in 50. Consider the following:
Stopping Sight Distance (SSD) = 90 m
Height of headlight of a vehicle above the road surface = 0.75 m
Headlight beam angle with respect to the longitudinal axis of the vehicle = 1.2°
Based on the sight distance criteria, the design length (in m) of the vertical curve is __________ (rounded off to the nearest integer).
Stopping Sight Distance (SSD) = 90 m
Height of headlight of a vehicle above the road surface = 0.75 m
Headlight beam angle with respect to the longitudinal axis of the vehicle = 1.2°
Based on the sight distance criteria, the design length (in m) of the vertical curve is __________ (rounded off to the nearest integer).
Correct : 155
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