Minnesota Department of Transportation

511 Travel Info

News releases

Sept. 23, 2026

Latest news releases

I-35 concrete grinding work in Duluth starts Sept. 28

DULUTH, Minn. –  The Minnesota Department of Transportation will be starting concrete grinding work in the I-35 tunnels in Duluth on Monday, Sept. 28. Motorists can expect intermittent single lane traffic during work hours. A full day long closure of the I-35 northbound on-ramps and I-35 southbound off-ramp at Lake Avenue will take place mid next week. Work is expected to last through Oct. 8.

Work zone safety tips

  • Obey posted speed limits. The fine for speeding in a work zone is $300.
  • Drive undistracted. Avoid using cell phones, mobile devices, adjusting the radio – even eating –while in work zones.
  • Move over. Give workers room to safely complete their work.
  • Know before you go. Get real-time information about traffic and road conditions at 511mn.org  or get the free 511mn smartphone app at Google Play or the App Store.
  • Be patient. Expect delays, especially during peak travel times.
  • Do the  zipper merge.
  • Avoid making unnecessary lane changes.
  • Never enter a road blocked with barriers or cones.

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