The road roughness is measured by ______

The probable causes for loss of surface texture don’t include _______

The distress in bituminous pavement due to ineffective drainage system develops during ______

The ravelling occurs due to _______

The blockade of the longitudinal and cross drains leads to ______

The deformation doesn’t increase with ______

On roads where the soil has been deposited should be stripped by ______

The rate of growth of the deterioration is ______