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

The failure in olden roads were classified into how many types?

An existing flexible pavement that develops extensive cracks is called _______

The maintenance works are not possible for ______

The VDF is assumed as 4.5 for commercial vehicle count of _______

The miscellaneous road factor for maintenance is ______

The difference between existing pavement and new pavement is _______

The repair cost is approximately how many times the maintenance cost?