Emergency crews work to get westbound Interstate 12 reopened after a multi-vehicle crash shut the roadway down before the Airline Highway interchange, Tuesday, February 17, 2026, in Baton Rouge, La.

All Interstate 12 westbound lanes are closed starting near the Airline Highway exit because of a vehicle crash. The wreck involved an 18-wheeler truck, a flatbed 18-wheeler and at least one other car.

ST. TAMMANY PARISH, La. (WGNO) — St. Tammany Parish officials and state leaders cut the ribbon on a project to widen Interstate 12 on Thursday, Nov. 13. According to officials, this project expands ...