The US Interstate That Goes Nowhere When the interstate system was founded in 1956, there was an original map created, sending Interstates to all the most important routes between large American ...

Here's what to know about a state study that looked into the pros and cons of making U.S. Highway 287 into an interstate.

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