At a Glance
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80K
Vehicles/Day 2012
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130K
Vehicles/Day 2040
- Location
- Moorhead, Minnesota
- Offices
-
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Bismarck, ND
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Chicago (N Orleans St), IL
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Fargo, ND
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Minneapolis, MN
- Location
- Moorhead, Minnesota
- Offices
-
- Bismarck, ND
- Chicago (N Orleans St), IL
- Fargo, ND
- Minneapolis, MN
Share
TH 75 - I-94 Interchange Improvements
The TH 75 - I-94 interchange is a busy place, and the Minnesota Department of Transportation (MnDOT) made improving this spot a top priority. Impacted by traffic from three colleges, the interchange is used by more than 80,000 local and interstate vehicles. By 2040, it’s anticipated to carry 130,000 vehicles per day.
We led the design team that evaluated nine geometric layouts and recommended a diverging diamond interchange (DDI) that, among other benefits, eliminated four left-hand turns into oncoming traffic. The result? Improved safety, capacity, and operations. And bonus: the bridge over I-94 could stay in place, saving millions of dollars.
Our team also helped MnDOT secure an approved FHWA Interstate Modification Request. We helped prepare and simulate detailed detour and traffic control plans (to move traffic smoothly during construction) and designed upgrades for nearby signalized intersections, auxiliary lanes on I-94, and a multi-use trail along TH 75.
Communication was key to project success. We kept in frequent touch with MnDOT, keeping all the wheels moving to meet schedules and budget.
Thanks to creative thinking and collaboration, this DDI interchange is ready today and prepared for 2040.
At a Glance
-
80K
Vehicles/Day 2012
-
130K
Vehicles/Day 2040
- Location
- Moorhead, Minnesota
- Offices
-
-
Bismarck, ND
-
Chicago (N Orleans St), IL
-
Fargo, ND
-
Minneapolis, MN
- Location
- Moorhead, Minnesota
- Offices
-
- Bismarck, ND
- Chicago (N Orleans St), IL
- Fargo, ND
- Minneapolis, MN
Share
Aaron Cook, Engineer
The success of a community depends on its transportation network.
Tom Fidler, Senior Engineer, Transportation
Even while working through all the details and requirements of a design, try to keep in mind the problem the completed project will solve.
Dale Grove, Principal
I love working with clients to help them solve their problems, especially if it requires finding new and unique ways to get it done.
Theresa Maahs, Associate, Project Manager
Challenging projects are made manageable when you have the right resources available to you.
Pat McGraw, Senior Transportation Project Manager
Honesty and humility are key aspects of success throughout the project delivery process.
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