The GWT should be at a distance of ___ from ground level.

The seepage flow is present in _______

The excess water on shoulder in a dry region with a good drainage system causes ______

The roughness coefficient is assumed in ______

The surface drainage doesn’t consist of _______

The total interruption to traffic in a year should not exceed ______

The surface water is obtained from _______

The path of wheels cause damage in the form of ______