A Crystal Lake man is in serious, but stable condition after a four-vehicle accident Monday outside St. Louis, Mo., according to authorities.

Jeffrey Conway, 27, of Florissant, Mo., was traveling west on Salt River Road in a white 2004 Monte Carlo around 6 a.m. when he crossed the centerline into oncoming traffic, according to the St. Peters Police Department. The Monte Carlo then struck three vehicles — a Chevrolet Trailblazer, a GMC Sonoma, and a Kia Soul.

Conway's vehicle first hit the Trailblazer, then the Sonoma, causing it to roll over, police said. The vehicle then collided head-on with the Soul, which was being driven by Crystal Lake resident Dan Ayers.

Conway died as a result of the accident, according to a news release.