ST. LOUIS, Mo. – A crash is causing a major traffic backup in St. Louis County. The collision happened on westbound I-64 near Ballas. Three lanes of traffic are blocked while crews work to clear the scene. The estimated clear time is around 4:45 pm.

The Missouri Department of Transportation’s traffic cameras show backups near Ballas, Lindbergh, and Spoede. Check our traffic map for the latest updates.