Google Maps and other navigation apps may be the go-to for many people trying to find their way, but the traditional state highway road map still has staying power. “They are popular,” said Minnesota ...

According to the MoDOT traveler map, most interstate and state highways are covered with snow across the St. Louis area.

Ever wondered how the highway and interstate numbers came to be? What do they even mean if they mean anything at all? Behind those numbered shields displayed on the signs is a mathematical logic grid ...