The minimum space headway increases with ______

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

The speed at which the value of time headway is lowest represents the ______

The stability of a vehicle is influenced by _______

What is the minimum width of side walk?

The minimum radius for rotary recommended by IRC is?

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

When the gap of the vehicle changes to a smaller lane then it is called ______