Highway Engineering
On a single lane road with two way traffic, the minimum stopping sight distance is equal to

two times the stopping distance
half the stopping distance
three times the stopping distance
stopping distance

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Highway Engineering
Length of a vehicle affects

clearance to be provided under structures such as overbridges, under-bridges etc.
extra width of pavement and minimum turning radius
width of traffic lanes
width of shoulders and parking facilities

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Highway Engineering
If b is the wheel track of a vehicle and h is the height of centre of gravity above road surface, then to avoid overturning and lateral skidding on a horizontal curve, the centrifugal ratio should always be

less than b/2h and greater than co-efficient of lateral friction
less than b/2h and also less than co-efficient of lateral friction
greater than b/2h and also greater than coefficient of lateral friction
greater than b/2h and less than co-efficient of lateral friction

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