St. Louis District

Route 340 (Clarkson Road) public meeting

The Missouri Department of Transportation is holding an open house-style public meeting to share information about a 2027 resurfacing project on Route 340 (Clarkson Road) between Lea Oak and Route 100 (Manchester Road) and to hear safety concerns from the public  on this corridor. The meeting is April 14, from 4 to 6 p.m. at the Clarkson Valle...

Construction Road Report

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

St. Louis Construction by Area

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

Microfilm Requests

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

Planned events on state roadways

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

General St. Louis Transportation Information

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.

Frequently Asked Questions

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

Latest News

  • Route 67 Lane Closures This Weekend, April 10-13

    04/07/2026

    NORTH ST. LOUIS COUNTY – Crews will close one westbound lane of Route 67 (Lindbergh) at Old Jamestown Rd. and the eastbound left turn lane to Old Jamestown Rd. starting at 8 p.m. Friday, April 10.  The lanes will reopen by 6 a.m. Monday, April 13. 

    T...

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Lane Miles
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District Engineer: Tom Blair