Civil Engineering MCQAE Level Civil Engineering
For a highway design speed of 80 km/h, reaction time 2.5 s and coefficient of longitudinal friction 0.35, the stopping sight distance on level road is nearly
Transportation EngineeringGeneralMEDIUM
Choose the correct answer
A
191 m
B
56 m
C
128 m
D
64 m
Correct Answer
C. 128 m
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SSD = 0.278vt + v^2/(254f) = 0.278 x 80 x 2.5 + 80^2/(254 x 0.35) = 128 m.
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