Highway Engineering
Centre line markings are used

in roadways meant for two way traffic
to designate traffic lanes
to designate proper lateral placement of vehicles before turning to different directions
to indicate that overtaking is not permitted

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
Length of a vehicle affects

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

ANSWER DOWNLOAD EXAMIANS APP