Update: I-55 has reopened. Traffic is moving normally.
ST. LOUIS — Southbound I-55 was closed at Gasconade because of a crash involving three vehicles. It is not clear if there are any injuries after the collision, but an ambulance could be seen on the highway. There was a traffic backup in the area that stretched for miles.
More details will be posted here as they come into the FOX 2 Newsroom.
