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Conlin Road East Road Reconstruction & Widening and Grandview Street North Roundabout Construction
Posted on Thursday, July 17, 2025 01:23 PM
Details: Reconstruction and widening of Conlin Road East from east of Harmony Road North to Kurelo Drive as well as the construction of a new roundabout at Grandview Street North and Conlin Road East.
Construction August 2025 to November 2026
The Work involves the reconstruction and widening of Conlin Road East from east of Harmony Road North to Kurelo Drive as well as the construction of a new roundabout at Grandview Street North and Conlin Road East. The work will also include a new storm sewer...
Brock and Colborne Streets two-way conversion begins July 21
Posted on Wednesday, July 16, 2025 01:30 PM
Following a Feasibility Study and public consultation, Oshawa City Council recently approved converting Colborne St. E. (from Centre St. N. to Division St.) and Brock St. E. (from Simcoe St. N. to Division St.) from one-way to two-way traffic operations.
Why: The City will be undertaking the process of repainting and re-signing these streets for two-way traffic.
What: Completed work will include new stop signs where necessary, removal of one-way signs and 15-metre yellow centre lines painted at...
Howden Road Culvert Replacement
Posted on Tuesday, July 15, 2025 10:17 AM
Date: July 2025 to September 2025
Details: Replacement of the Culvert along Howden Road West approximately 800m east of Thornton Road North.
Construction July 2025 to September 2025
The City of Oshawa has awarded Contract No. O 25-09 to Sierra Excavating Enterprises Inc. The work will include the replacement of the Howden Road West Culvert (Structure No. 000324). The work shall include but is not limited to:
- Excavation and removal of existing structure;
- Temporary flow bypass and dewatering measures;

Durham Region Notice: Road closure on Grandview St. N. in Oshawa
Posted on Monday, July 14, 2025 04:11 PM
The Regional Municipality of Durham is advising residents of a one-day road closure on Grandview St. N. in the City of Oshawa.
When: July 18, 2025. Unfavourable weather conditions may impact the work schedule.
Where: Grandview St. N. from Columbus Rd. E. to Winchester Rd. (Concession Rd. 7), in Oshawa.
Why: Road closure in place to safely complete paving on Grandview Street North.
Note: The Region realizes that the work may be disruptive and will make every effort to complete the work as quickly and...

Metrolinx notice: Geotechnical Investigations
Posted on Tuesday, July 08, 2025 01:43 PM
Metrolinx is preparing for the future Bowmanville Extension project, which will extend Lakeshore East GO rail service through Central Oshawa to Courtice and Bowmanville.
Why: Peto MacCallum and its drilling subcontractor will be working at 135 sites along the planned extension alignment to conduct geotechnical investigations. These investigations are required to confirm geotechnical conditions at critical locations to help inform the design of future infrastructure upgrades that will improve...