First of all, every ...

First of all, every non-degradable pollutant reaches oceans. *Fact*

Second, the answer is "Yes", it will hamper.

Actually, this is the worst we can do to our environment, creating Land Fill Site under Load Bearing Condition. Every moving vehicle will test the elasticity of the deployed plastics.

Also, the heat generation from the friction will generate little amount of hazardous fumes. This little amount will be significant, by considering the  length of the road.

Forget about Nanoparticles (unexplored Impact Analysed Area), think about PM2.5 and Leachate Generation during Rain or by Strom or by any local stream.

How one can think of such a bad idea of making plastic roads. 

Think Again!!