Concept drill
perception-reaction time
GATE Civil Engineering · Highway Geometric Design · 2014-2021
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All concepts →2021 Q54
The stopping sight distance (SSD) for a level highway is 140 m for the design speed of 90 km/h. The acceleration due to gravity and deceleration rate are 9.81 m/s² and 3.5 m/s², re...
mediumanswer key
2018 Q34
A priority intersection has a single-lane one-way traffic road crossing an undivided two-lane two-way traffic road. The traffic stream speed on the single-lane road is 20 kmph and...
hardanswer key
2014 PYQ
The perception-reaction time for a vehicle travelling at 90 km/h, given the coefficient of longitudinal friction of 0.35 and the stopping sight distance of 170 m (assume g = 9.81 m...
medium