One person has died following a crash on Highway 100 Wednesday afternoon.

According to the Missouri State Highway Patrol, Timothy E. Dineen, 69, Hermann, was pronounced dead on the scene at 3:53 p.m.

The crash report says Dineen was heading eastbound on Highway 100 west of Bluff Road. The Highway Patrol said he crossed the center line and struck a second car head on.

The driver of the second car, Paula H. Gleitz, 63, New Haven, was airlifted to Mercy Medical Hospital in Creve Coeur. Her injuries were classified as serious by the Highway Patrol.

The crash occurred at about 3:38 p.m. Both vehicles were totaled in the crash.

Traffic was diverted for several hours following the crash.