St. Louis District

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.

Construction I-44 Meramec River

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.

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

  • St. Louis Work Zones for December 2-8

    12/01/2021

    ST. LOUIS – Drivers traveling in St. Louis City who have used the 3000 Market Street (Exit 38B) ramp from westbound Interstate 64 will need to determine new routes as the ramp will permanently close next week as part of constructing the new...

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About the District
Lane Miles
5,850
Bridges
1,153
District Engineer: Tom Blair