Yes, lots of modern road signs that are put in have a flourescent coating on them. [1] [1] https://www.3m.com/3M/en_US/road-safety-us/resources/road-transporta

Yes, lots of modern road signs that are put in have a flourescent coating on them. [1] [1] https://www.3m.com/3M/en_US/road-safety-us/resources/road-transportation-safety-center-blog/full-story/~/fluorescent-traffic-signs-explained/?storyid=e33bd3e0-36b0-44c0-b416-1b87324b2755 https://www.3m.com/3M/en_US/road-safety-us/resources/road-tr...