Highway Engineering
The most suitable equipment for compacting clayey soils is a

sheep foot roller
vibrator
pneumatic tyred roller
smooth wheeled roller

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Highway Engineering
When the speed of traffic flow becomes zero,then

traffic density and traffic volume both become zero
traffic density and traffic volume both attain maximum value
traffic density becomes zero whereas traffic volume attains maximum value
traffic density attains maximum value whereas traffic volume becomes zero

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Highway Engineering
Length of a vehicle affects

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

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