The term ‘a’ denotes?

The top 500mm of soil sub grade should be compacted at _________

The stress in pavement changes ______

The depth of rutting criterion is obtained by ______

The drainage layer is _________

The VDF of a lane if the CVPD is greater than 1500 in plain terrain is?

What is the total thickness of the pavement?

Proximity to sea contributes to ______