Which of the pavement is better for highway lighting?

Which of the following equation is correct?

The diameter of the small size information board is?

The total conflict points at a junction on both two way roads are?

If an additional pavement is provided for lane change, then that intersection is called ______

How many types of traffic speed studies are conducted?

There is a traffic flow of 250 vehicles on road A and 200 vehicles on road B, if the green signal time on road A is 15 s…

The traffic volume is usually expressed in ______