Construction Alerts: Dunn Rd. & WB 270 exit ramp at Old Halls Ferry Rd. CLOSED, Pershall Rd. between Ford Ln. and Polson Ln. CLOSED

Welcome to the I-270 North Project


Pershall Road

Pershall Road
Closure

Closed between Ford Ln. and Polson Ln. beginning Tuesday, 08/04 at 9 a.m.


Dunn Road at Old Halls Ferry

Dunn Rd & WB 270 exit ramp at Old Halls Ferry Rd
Closure

Month long closure to begin Monday, 08/03 at 9 a.m.


New Florissant Entrance Ramp

New Florissant Entrance Ramp
Closure

Traffic from New Florissant to EB 270 is being redirected to Dunn Road through September, 2020.


Old Halls Ferry Road

Old Halls Ferry Road
Closure

Southbound and Northbound being redirected to New Halls Ferry Road through September, 2020.


Lindbergh Interchange

NB Lindbergh
Ramp Closure

Construction is ramping up! Beginning June 8th, 2020, the ramp from NB Lindbergh to I-270 will be closed for construction.

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Announcements and Construction Alerts

2020 Detours Schedule

April 2020

  • I-270 EB off-ramp to Washington/Elizabeth Closure Duration: 1.5 years

June 2020

  • I-270 EB on-ramp from New Florissant Closure Duration: 3 months
  • Old Halls Ferry over I-270 Closure Duration: 4 months
  • NB Lindbergh to WB I-270 loop ramp Closure Duration: 2 years

August 2020

  • Pershall Road near Coldwater Creek Closure Duration: 18 Months
  • Dunn Road at Old Halls Ferry Closure Duration: 1 Month
  • Bellefontaine to WB I-270 Ramp Closure Duration: 3 Months

Aug/Sept 2020

  • Both Directions I-270 at Washington/Elizabeth Closure Duration: 3 Days
  • Washington/Elizabeth over I-270 Closure Duration: 3 Months

Sept 2020

  • Old Halls Ferry Ramp to EB I-270 Closure Duration: 1 Month

Oct 2020

  • Dunn Road Closed at Washington Closure Duration: 1 Month

Nov 2020

  • Pershall Road Closed at Elizabeth Closure Duration: 1 Month

Project team:

Missouri Department of Transportation I-270 Project Millstone Weber Parsons

This schedule is subject to change.

Announcements

News Release: MoDOT's I-270 North Project to close Pershall Rd. between Ford Ln. and Polson Ln. beginning August 4, 2020

Drivers who regularly use Pershall Rd. between Route 67 (Lindbergh Blvd.) and North Hanley Rd. should be aware of an upcoming closure starting Tuesday, August 4th at 9 a.m. Read More

News Release: MoDOT's I-270 North Project will close Dunn Rd. and westbound I-270 exit ramp at Old Halls Ferry Rd. on August 3

Motorists should be aware that MoDOT will close Dunn Rd. and the westbound I-270 exit ramp at Old Halls Ferry Rd. beginning Monday, August 3rd at 9 a.m. Read More

News Release: MoDOT Announces June 29, 2020 Ramp Closure on I - 270

Drivers on Interstate I-270 should be aware of an upcoming ramp closure at S. New Florissant Road beginning on Monday, June 29, 2020. Read More

News Release: MoDOT Announces Road Closures on I-270 beginning June 8, 2020

Drivers on Interstate I-270 should be aware of upcoming road closures beginning June 8, 2020 as part of MoDOT's $278 million I-270 North Project in north St. Louis County. Read More

News Release: MoDOT Starts Construction on I-270 North Monday, April 20, 2020

The Missouri Department of Transportation is moving into the construction phase of the I-270 North Design-Build Project. On April 20, 2020, the eastbound I-270 off ramp to Washington Street/Elizabeth Avenue will close. Read More

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.

Where

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

When

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

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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What we are hearing

This project is one of the many success stories that is helping advance our region in supporting the global supply chain. ”

— Mary Lamie, Executive VP, Multi-Modal Enterprises, Bi-State Development

We thank MoDOT and the Bi-State Regionalism of our elected leaders for supporting this $278 million project and for the accelerated project schedule. ”

— Mary Lamie, Executive VP, Multi-Modal Enterprises, Bi-State Development

St. Louis Christian College thanks the Missouri Department of Transportation for all of your hard work in improving Interstate 270. Thank you so much. ”

— Steve Naglak, VP Student Life, St. Louis Christian College

I'm glad we're devoting the time, materials and dollars to the citizens of North County so that in the end, they will have a nice, new infrastructure that's safe. ”

— Deanna Venker, Director of Transportation and Public Works, St. Louis County

I just want to congratulate MoDOT and its partners. We look forward to the next couple of years and the great outcome at the end. ”

— Deanna Venker, Director of Transportation and Public Works, St. Louis County

I'd like to say congratulations on the groundbreaking of the much needed I-270 North Project. ”

— Dawn Perkins, Federal Highway Administration, Missouri Division

We appreciate all of the hard work that's been done to get us to this point, and now let the construction begin. ”

— Dawn Perkins, Federal Highway Administration, Missouri Division

MoDOT in conjunction with all of the key stakeholders, as well as all of the municipalities surrounding this area and homeowners have gotten together over the last two years, with MoDOT facilitating the meetings making it easier for us to give input. Now it's time for this project to launch. ”

— John Bommarito, President of The Bommarito Automotive Group

It's already thriving, but with the additions and all of the things that they are going to do to this highway, it's going to be even better. ”

— John Bommarito, President of The Bommarito Automotive Group

With so many working people in our community, it will be important to my residents to have a new and more efficient highway to shop, to go to work and to travel. ”

— Reggie Jones, Mayor of Dellwood, MO

With so much unfortunate news that we are hearing each and every day during these trying times, it is so refreshing to announce and to celebrate a major development project in north county that will benefit so many people. ”

— Reggie Jones, Mayor of Dellwood, MO

It is an honor and a privilege to participate in MoDOT's Virtual Groundbreaking to kick-off the I-270 North Project. This project is particularly important for Christian Hospital. ”

— Rick Stevens, President of Christian Hospital

The I-270 North Project brings to life a well thought -out design that improves safety, and adds lanes for better mobility and less congestions. On behalf of the Christian North East family, I want to thank the entire MoDOT team for all of your hard work. ”

— Rick Stevens, President of Christian Hospital

With the first phase of this project starting in Florissant, MO and closing a portion of Elizabeth, we are all very excited to see this get started. ”

— Tom Lowery, Mayor of Florissant, MO

I-270 is one of the most traveled corridors in the St. Louis Metropolitan Region and this is a much-needed upgrade. Thank you to everyone who made this project happen. ”

— Tom Lowery, Mayor of Florissant, MO

The $278 million I-270 North project is an investment in the infrastructure, workforce and economic development of St. Louis County. This project is a positive economic development tool for North County. ”

— Dr. Sam Page, St. Louis County Executive

I'm grateful for MoDOTs commitment to the community that relies on I-270. ”

— Dr. Sam Page, St. Louis County Executive

I'm also excited about this upgrade, even through the temporary inconveniences because it will increase mobility with well-thought out plans and new technology that will help to make North County the place to live, work and play. ”

— Tommie Pierson, Jr., State Representative

So on behalf of my family and those that I am blessed to represent, thank you MoDOT and here is to a project that is on time, on budget and displays North County excellence. ”

— Tommie Pierson, Jr., State Representative

I'm excited for the I-270 North Project to begin as this will eliminate a lot of the accidents and travel clusters that happen on a daily basis. So, congratulations I-270 North Team and I look forward to when everything is complete. ”

— Teresa Reed. Alderwoman, Bellefontaine Neighbors

I'm glad that the Missouri Department of Transportation is moving forward with plans to update the I-270 North Corridor. I know the hard work and dedication shown by everyone who came together to help make this project a reality, including the MoDOT staff. ”

— Tommie Pierson, Sr., Mayor Bellefontaine Neighbors

Congratulations to the North County Community and MoDOT for this Virtual Groundbreaking for the $278 million dollar I-270 North Project. ”

— Tommie Pierson, Sr., Mayor Bellefontaine Neighbors

I am excited that the I-270 project has begun. North County has been in need of improved highways to reduce congestion and accidents along this corridor. ”

— Bishop Larry O. Jones, Greater Grace Church

Thanks to MoDOT for all of these great upgrades. They are much needed and we all will be safer commuting on I-270. So, stay safe St. Louis and thank you MoDOT. ”

— John Londoff, Jr., Johnny Londoff Chevrolet

I'm very excited about the upgrades happening with I-270. The upgrades throughout the corridor, the safety precautions on the outer roads (etc.,) — I'm really looking forward to it. ”

— Dwayne James

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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