Highway Engineering
For a constant value of coefficient of lateral friction, the value of required super-elevation increases with

decrease in speed and with increase in radius of curve
decrease in both speed and radius of curve
increase in both speed and radius of curve
increase in speed and with decrease in radius of curve

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Highway Engineering
Length of a vehicle affects

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

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