If the amber time at a signal is 3 sec and the green signal time is 25sec, find the red signal time?

During the construction of highway, more highway lighting preference is given to ______

The number of parking spaces for a kerb of 59m and having the length of car as 5.0m is?

If the jam density is 145vehicles/km, and velocity is 60kph then the capacity flow is ______

The clearance time is indicated by ______

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

The specifications for road signs are specified by ______

The most complex type of intersections for traffic operation is ______