JEFFERSON COUNTY, Mo. – A truck overturned across two lanes of traffic in Jefferson County Wednesday morning.

The incident happened at about 10:30 a.m. on southbound I-55 just south of Route Z. Traffic was at a standstill in this area. The road was clear before 12 p.m.

It is unknown at this time what led up to the incident. It is also unknown if anyone was injured.

FOX 2 will continue to update this story with more information as it becomes available.