As part of the City of Thunder Bay’s efforts to protect roadways during the spring thaw, when road damage is most likely to occur, reduced heavy load restrictions will be in effect within city limits starting at 8 am on Monday, March 24, 2025.

This date is weather-dependent and may be subject to change. The restrictions apply to all streets within the City of Thunder Bay, except for designated exempt routes.

We appreciate your cooperation in helping to prevent excessive damage to our roads. To view the Reduced Load Exemption Map, visit: www.thunderbay.ca/heavyloads.

For more information or to request a printed or faxed copy of the exemption list, contact the Engineering & Operations Division at: 807-625-2266.

Contact: David Binch, Traffic Technologist – Engineering & Operations Division, 807-625-2265