Originally published Nov. 25 on KTVB.COM.
A new $630,000 digital message sign on State Highway 55 near Cascade is giving southbound drivers real-time road updates in an area where cell service is often unreliable.
The Idaho Transportation Department (ITD) installed the overhead sign around milepost 102 before drivers descend toward Rainbow Bridge, making it the first southbound message display on the heavily traveled corridor between Boise and McCall…