One of the disadvantages of traffic signals is?

Road lighting is a ______

What is the first phase of traffic regulation?

The cross slope of paved footpath may be ______

If space mean speed of a vehicle is 50kmph, then the time mean speed will be ______

If the coefficient of friction is 0.43, and the design velocity is 40kmph then the radius of curve is?

In India for design of roads pedestrian is considered as _______

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is cal…