Highway Engineering
The critical combination of stresses for corner region in cement concrete roads is

Load stress + frictional stress
Load stress + warping stress frictional stress
Load stress + warping stress
Load stress + warping stress + frictional stress

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Highway Engineering
Length of a vehicle affects

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

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