Minnesota Department of Transportation

511 Travel Info

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


About this project

This map shows the location of Twin Ports Interchange improvements in Duluth, which include the reconstruction of the I-35/I-535/Hwy 53 interchange.

Once completed, 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

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

Animation video

See what the freeway will look like when completed from a motorist’s view heading north on I-35 through the Twin Ports Interchange area, then heading to southbound I-35 from I-535, or the Blatnik Bridge, through the Twin Ports Interchange area.

Freight connection


Interchange at I-35, I-535 and Hwy 53, June, 2022

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