[carabiner]

https://www.cbsnews.com/news/los-angeles-is-painting-some-of...

It's being tested but is very expensive.

[8xeh]

Phoenix does this:

https://www.scientificamerican.com/article/to-beat-the-heat-...

> Experts say road temperatures in the Phoenix area can rise to 180 degrees on a hot day

I guess being only 160°F means the gray is working. I wonder how well it would do if it were painted white.