The parking facility in which elevators are required to change to a different level is called ______

If the angle of merging is low, then the relative speed will be ______

Which lamps are preferred at intersections?

The first stage in the function of traffic engineering department is?

If the velocity of a vehicle is 60kmph and the other vehicle velocity is 20kmph, then the relative velocity is?

The charts showing the variation of the traffic is called ______

The minimum space headway increases with ______

The maximum theoretical capacity is ______