JEFFERSON COUNTY, Mo. (KMOV.com) – Two accidents closed all lanes of southbound I-55 in southern Jefferson County near Route AA for a few hours.
The accidents happened just before 8:00 p.m.
Police said a mini-van was hit by a tractor trailer and then bounced across the highway, hit the guard rail and then came to a rest in the fast lane.
A delivery driver then stopped to help. Police said another van or SUV then hit him, the mini-van and another semi.
The delivery driver was seriously hurt and airlifted to a hospital. The drivers of other vehicles involved were also taken to hospital. Information on their conditions was not immediately known.