A fatal crash involving three vehicles shut down southbound U.S. 287 in Mansfield Monday morning.
Police said an 18-wheeler, a passenger vehicle and a motorcycle collided near Walnut Creek Drive at about 10:30 p.m. Sunday.
One person was killed in the crash; no other information has been released.
The southbound lanes of the highway remained closed Monday morning as investigators worked to piece together what happened.
Officials expected the roadway to reopen at about 8:30 a.m.