Grumpy Old Geeks Products Solar Roadways Product Solar Roadways 2 mentions in 1 episode A crowdfunded road concept that the hosts discuss after seeing a critical video. Mentions 61: Good Evening Monsters Jun 6, 2014 46:21 One of the ones that was making the rounds was the Solar Roadways. 46:58 The Solar Roadways thing has been bouncing around for a while.