Here’s an interesting idea: roads powered by solar panels. Collecting the energy of the sun, they can use heat to de-ice when they get snow or ice one & with LED lights they can signal to road users of dangers ahead. Genius.

More info including a video here:

http://tiny.cc/278kgx

How about a heated road that glows in the dark! The Dutch are on the case with special paint which glows at night.

See this BBC news report for more details