The spacing between the highway lamps is ______

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

In 90 degree parking the length of kerb is 25m, the parking spaces are ______

The ratio of seven day average for 24 hours and 24 hours count on any particular day is ______

The specifications for road signs are specified by ______

The vehicles per unit length at any instant of time is called as ______

The weaving manoeuvres is a type of ______

If the instantaneous speed of 4 vehicles are 35, 40, 45 and 50 then the time mean speed will be ______