Highway Engineering
Centre line markings are used

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

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
The provision of traffic signals at intersections

reduces right angled and rear end collisions
reduces right angled collisions but may increase rear end collisions
increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions

ANSWER DOWNLOAD EXAMIANS APP