If the space headway is 7m, then the jam density in vehicle/km is ______

The traffic signals that are installed for pedestrians are called ______

If the coefficient of friction is 0.43, and the design velocity is 40kmph then the radius of curve is?

The dead width usually considered as ______

The maximum jam density occurs at ______

The minimum radius for rotary recommended by IRC is?

Highway lighting is more important at ______

The spacing between the highway lamps is ______