To be fair, the Dutch solar bike path was reportedly more successful than expected. https://en.wikipedia.org/wiki/SolaRoad#Results_of_trial https://en.wikipedia

To be fair, the Dutch solar bike path was reportedly more successful than expected. https://en.wikipedia.org/wiki/SolaRoad#Results_of_trial https://en.wikipedia.org/wiki/SolaRoad#Results_of_trial https://www.engineeringnews.co.za/article/dutch-solar-road-proves-successful-moves-on-to-heavy-traffic-road-trial-2018-10-19/rep_id:4136 https://www.engineeringnews.co.za/article/dutch-solar-road-p... So the idea isn't too crazy, it seems. Maybe it is unsuitable for heavy vehicles, or in areas where particulate is more likely to collect and affect the light gathering; but to some degree it can be successful.