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tree lined street in Oshawa

Conlin Road East Road Reconstruction & Widening and Grandview Street North Roundabout Construction

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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 along Conlin Road East, a new multi-use pathway on the south side of Conlin Road East from Coppermine Street to Kurelo Drive, a new sidewalk on the north side of Conlin Road East from Harmony Road North to west of Kurelo Drive. There will also be work on Regional infrastructure including new watermain near Harmony Road North, Coppermine Street and Cayenne Street and new sanitary sewer at Coppermine Street.

Where: Conlin Road East from Harmony Road North to Kurelo Drive

Work Schedule

The City’s contractor, Graham Bros., is planning to begin mobilizing on or around August 5th. The project will take place over two years and is planned to be completed in November 2026. The Grandview Street North roundabout is planned for construction in 2025 and planned to be completed in December 2025, while the work on Conlin Road East between Harmony Road North and Grandview Street North will be completed in 2026.  

How will this work affect you?

Full road closures will be in effect during construction.

  • Upcoming Closure - In 2025 the intersection of Grandview and Conlin will be fully closed and Conlin Road East will be closed from Coppermine Street to Kurelo Drive. Residents living in the subdivision north of Conlin Road East near Grandview Street North should use Brittania Avenue to Harmony Road North or Brittania Avenue to Coppermine Street. Please see the attached detour on the second page.
  • Future Road Closures - During 2026 Conlin Road East will be closed from Harmony Road North to the west side of Grandview Street North. Further advance Public Notices will be provided to detail dates and closure limits.

Unfavourable weather conditions and unforeseen circumstances may impact the work schedule.

Please exercise caution around the construction site.

 construction site

For more information, please contact: Engineering Services at 905-436-3311 ext. 5606 or email [email protected].

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