I-270 North: Build. Progress. Together
The I-270 North Design Build Project will improve mobility on the mainline, at interchanges, and on the outer roads. It aims to reduce traffic congestion faced by local users and interstate travelers.
Meramec River Bridges
Construction continues on the I-44 Meramec River Bridge project just west of I-270
St. Louis Construction by Area
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.
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.
ST. LOUIS – MoDOT has issued an emergency road closure along Route H between Peter Moore Ln. and Maness Rd. in Jefferson County due to a box culvert collapse. Signs will direct motorists to detours around the closure, which is near Route 21...
Jefferson County - Motorists traveling along Route H between Peter Moore Ln. and Maness Rd. in Jefferson County will have to use alternate routes. MoDOT crews closed this stretch of Route H due to a box culvert failure. Signs will direct...
St. Louis Careers
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Our mission is to provide a world-class transportation system that is safe, innovative, reliable and dedicated to a prosperous Missouri.
Take a look at current openings in the St. Louis District.