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 – Drivers who plan to travel I-270 in north St. Louis County should use alternative routes this weekend as crews will completely close both directions of I-270 to remove the West Florissant Avenue bridge.
Crews will start closing...
JEFFERSON COUNTY – The southbound I-55 ramp to southbound US Route 67 closure scheduled for overnight Wednesday, April 14, has been rescheduled due to low temperatures.
Crews plan to apply surface treatment in the area to increase safety...
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.