In fact many miles of concrete roads are paved over with asphalt every year.
Can i lay paving over concrete.
Well the answer is yes.
One notable exception would be the use of a bitmac overlay where a new surface or wearing course is applied over an existing bitmac or occasionally concrete surface to improve the overall look and styling but when it comes to segmental paving it is considered to be bad practice to lay new paving over old.
It is safe to pave asphalt over concrete.
Concrete is a great base material because it is stable and allows for excellent compaction of the asphalt above.
Grades and heights second the height of the installation will obviously be higher than it was.