In construction zones, reduce your speed while driving, stay alert, and watch for workers. 

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Check out the Construction Projects page for a map and full list of this season's capital projects.

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Photograph of a construction site with City of Thunder Bay pylon in the foreground

Road Work Ahead: August 2026 Construction Projects

Posted on Friday, August 07, 2026 09:31 AM

August 7, 2026 – The City of Thunder Bay is sharing details of construction projects expected to impact vehicular, cycling, and pedestrian travel in the month of August.

The City is investing approximately $60 million in 2026 to maintain, improve, and expand Thunder Bay’s roads, bridges, sidewalks, trails, watermains, and other infrastructure that residents rely on every day.

This work helps move forward major initiatives in Thunder Bay’s Smart Growth Action Plan, including the revitalization of...

A photo shows a construction zone with signage, accompanied by the City of Thunder Bay logo.

Harbour Expressway Turn Lane to Close on July 7

Posted on Monday, July 06, 2026 04:09 PM

The eastbound left-turn lane at the intersection of Harbour Expressway and Golf Links Road will be temporarily closed on Tuesday, July 7 to allow crews to pave a new additional turn lane at this intersection.

The existing turn lane is expected to reopen by 5:00 pm on July 7. Motorists are encouraged to plan ahead and use alternate routes while the closure is in place.

The work is part of an intersection improvement project that will add a second eastbound left-turn lane on the Harbour Expressway....

Harbour Expressway Turn Lane to Close July 2

Posted on Thursday, July 02, 2026 09:01 AM

July 2, 2026 – The eastbound left turn lane at the Harbour Expressway and Golf Links Road intersection will be closed to traffic today, Thursday, July 2, to allow for roadway improvements.

This work supports construction of an additional left-turn lane on the Harbour Expressway, helping to improve traffic flow, reduce congestion, and make better use of the existing road capacity along one of Thunder Bay’s key growth corridors.

The project is part of ongoing efforts to enhance transportation...

A photo shows construction activity in the background, with a City of Thunder Bay pylon in the foreground

Victoria & Archibald Intersection to Close

Posted on Friday, June 26, 2026 03:28 PM

The intersection of Victoria Avenue East and Archibald Street North will be closed starting on Monday, June 29 to allow for underground infrastructure work and resurfacing.

Pedestrian access will remain available during the closure of the intersection.

This work supports the Reimagine Victoriaville project and revitalization of Thunder Bay’s south core, which are priorities in the City’s Smart Growth Action Plan.

Residents can find more information and project updates at thunderbay.ca/Victoriaville.

A photo shows a close-up image of a roadway with freshly-painted white lines

Lanes to be Reduced on Arthur Street for Line Painting

Posted on Thursday, June 25, 2026 02:54 PM

Lane reductions will be in place on Arthur Street West between Highway 61 and Parkdale Boulevard starting on Friday, June 26 to allow for line painting.

At least one lane of traffic will remain open in each direction during the work, which is expected to take approximately two days to complete, depending on weather conditions.

For everyone’s safety, motorists are reminded to expect traffic delays in the area and to drive with caution near construction zones. The City thanks residents and...