People who are interested in sharing their safety concerns about Route 340 (Clarkson Road)  between Lea Oak and Route 100 (Manchester Road) can still see information presented in a recent public meeting and share their concerns through a virtual public meeting through April 28.  To see more and comment, click the link below.

A listing of anticipated construction for the upcoming week in the greater St. Louis area. Updated Wednesdays.

View Construction Projects by area in the St. Louis region.

Fill out the linked form to requests copies of available microfilm for state maintained roadways.

Information on planning events on state-maintained roadways (interstates and state numbered or lettered routes)

This page hosts information regarding St. Louis area transportation such as the St. Louis area Mobility scorecard, information about highway features, and contacting the district.

Find answers to common transportation questions in the St. Louis area.