Welcome to the I-270 North Project

Build. Progress.
Together.

In the spring of 2020 MoDOT will begin work on a project to enhance operations, improve safety and better link communities within the I-270 corridor. Listen to what residents have said about the project.

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Build. Progress.
Together.

In the spring of 2020 MoDOT will begin work on a project to enhance operations, improve safety and better link communities within the I-270 corridor. Listen to what residents have said about the project.

View Media Gallery

Build. Progress.
Together.

In the spring of 2020 MoDOT will begin work on a project to enhance operations, improve safety and better link communities within the I-270 corridor. Listen to what residents have said about the project.

View Media Gallery
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Announcements and Traffic Alerts

Announcements

MoDOT will hold a Public Hearing on Thursday, March 12, 2020

Notice is hereby given to all interested persons that a public hearing will be held at:

St. Louis Community College — Florissant Valley
Student Center Multipurpose Room
3400 Pershall Road, St. Louis, MO 63135

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Section 2

There are no traffic alerts posted at this time. Please check back.

Rendering highlighting the new design for the I-270 and Lindbergh Interchange looking east.

Project Questions

What

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.

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Where

Interstate 270 North (I-270N) from James S. McDonnell Boulevard to Bellefontaine Road in St. Louis County.

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When

Construction is anticipated to begin Spring 2020 and completed December 2023.

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Why

The I-270 project is needed to improve current conditions on I-270, including outdated highway design, deteriorating infrastructure, and reducing traffic congestion.

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Contact us

Have a question, comment or want to receive project updates and learn about public meetings? Sign-up for email updates and send us your comments or questions by completing the following form.

What we are hearing

I'm looking forward to the changes they are going to make in North County. I think it's well overdue and I care about the area that I live in. ”

— Mrs. LaVerne Mahoney

Our community will flourish, it will look better, it will be better. When people come up and down 270 or West Florissant they will see our facelift and I'm quite sure they will be coming back. ”

— Mrs. LaVerne Mahoney

I'm really pleased to see that they are starting that now. We really need that as I mentioned before and I think people will really appreciate it. ”

— Dr. Rance Thomas

… may slow down traffic temporarily for a certain period of time but again it's important to renovate the highway and make traffic even better in the long run. That's the important thing. In the long run. ”

— Dr. Rance Thomas
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Ways to Stay Engaged