Work crews will be installing LED signs along highways in southwest Minnesota beginning April 14, 2025. Drivers are asked to slow down and be alert to work crews coming in and out of work zones.

Though Marana's LED limit — 280 candelas per square meter — is higher than he would like, it can still help lessen light pollution, said Buell Jannuzi, director of Kitt Peak National Observatory.

City of Enid workers have replaced street signs on Garriott at the intersections with Johnson, Cleveland and Hoover. The new LED lighted signs are 10 feet by 22 inches and replace smaller ...

Unlike markers that have been erected for past schools in long-ago decades, the proposed sign would come with LED lighting. This is a dynamic technology and its content can be seen for long distances.