Multi- vehicle crash causing delays on SB I-170 near Airport Road

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ST. LOUIS, MO (KTVI)- There is a significant traffic back up following a multi-car crash on I-170 Thursday morning. The accident happened shortly before 5a.m. on southbound I-170 near Airport Road. There were at least four cars involved. Emergency crews are on the scene.

Vehicles are able to pass the accident, but the interstate is down to one lane.

If you are en route to the airport, leave early or use an alternate route.

FOX 2 will keep you updated as details become available.