Highway Engineering
The stopping sight distance depends upon

All of these
total reaction time of driver
speed of vehicle
efficiency of brakes

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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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Highway Engineering
The sequence of four stages of survey in a highway alignment is

preliminary survey, map study, reconnaissance and detailed survey
reconnaissance, map study, preliminary survey and detailed survey
map study, preliminary survey, reconnaissance and detailed survey
map study, reconnaissance, preliminary survey and detailed survey

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