I'm not a materials expert by any means but keep in mind that our current roadways are essentially a bunch of tiny rocks held together with glue. Obviously, over time with pressure and heat you are going to have problems but the idea is that they hold together well-enough for a long enough time...
Greetings Leaf Owners and Enthusiasts. I recently came across this article about a company making a module solar roadway system that I thought many of you might be interested in.
Now, I know this idea is not new and there are many challenges to making this type of system really work. Also this...