Minnesota Department of Transportation

511 Travel Info

I-35, I-535, Hwy 53 Twin Ports Interchange


About this project

This project will better accommodate freight movements through the I-35/I-535/Hwy 53 and Garfield Ave interchanges next to the Clure Public Terminal.

I-35, I-535 and Hwy 53 and Garfield interchange map
Click map for larger PDF version

Give your input

Many users within and outside of Duluth travel through the Twin Ports Interchange area. We’d like to better understand travel patterns, and what users view as the greatest need for improvement. Please complete an online survey to share your thoughts. The input received will inform selection of a preferred concept. The survey will close Dec. 11, 2017.

Summary of work

Replace 33 bridges and reconstruct I-35/I-535/Hwy 53 interchange to improve safety by:

  • Providing a new conventional design
  • Relocating all exits and entrances to the right side of the roadway
  • Improving merging sight distance and eliminating merge conflicts
  • Eliminating weaving problems near the interchange
  • Providing lane continuity for through I-35 traffic

Freight connection

Current interchange at I-35, I-535 and Hwy 53

This project will provide direct access for overweight permitted loads.

  • Interchange traffic count:
    • Average annual daily traffic – 72,200
    • Heavy commercial average annual daily traffic – 3,450
  • 25,000 heavy commercial loads generated per year with significant increases projected
  • First mile to the Clure Public Terminal, an intermodal facility with highway, rail and waterway freight connections

Traffic impacts

  • Detours during construction


Potential funding options:

  • Infrastructure for Rebuilding America
  • MN Highway Freight program
  • Transportation Economic Development
  • Transportation Investment Generating Economic Recovery
  • Chapter 3 bonds
  • Corridors of Commerce