Highway Engineering
With increase in speed of the traffic stream, the minimum spacing of vehicles

first increases and then decreases after reaching a maximum value at optimum speed
increases
first decreases and then increases after reaching a minimum value at optimum speed
decreases

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
Length of a vehicle affects

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

ANSWER DOWNLOAD EXAMIANS APP