Minnesota Department of Transportation

511 Travel Info

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

Duluth

About this project

This project will enhance safety by eliminating blind merges and left exits, replace aging infrastructure, and better accommodate freight movements through the interchanges next to the Clure Public Terminal.

Summary of work

Replace 35 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

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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 – 80,000
    • Heavy commercial average annual daily traffic – 5,320
  • Provides first- and last-mile connection to the Clure Public Terminal, an intermodal facility with highway, rail and waterway freight connections

Traffic impacts

  • Ramp closure detours
  • Lane restrictions on I-35

Project update meetings