Consider the following statements related to construction of bituminous pavements:
1. It is not possible to construct relatively thin bituminous pavement layers over an existing pavement.
2. In India, the bituminous construction is by and large adopted on the surface course.
3. The black top construction is in extensive use in developing nations.
Which of the above statements are correct ?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3