The most likely cause of accidents is _______

Which of the traffic signal method is based on saturation flow?

The study of traffic engineering is divided into how many major categories?

The studies that are conducted for planning the facilities of pedestrians is called ______

What is the minimum width of side walk?

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

Peak hour factor is expressed in percentage of ______

The maintenance factor of highway is assumed as ______