The City of Oshawa has retained CIMA+ to complete the detailed design of the Conlin Road reconstruction and widening project.
The value of the contract was not mentioned.
CIMA+ has been contracted to complete the detailed design of Conlin Road East, from Edenwood Drive to Harmony Road North.
The design includes, but is not limited to:
- A full road reconstruction,
- Widening of the road from two to four lanes,
- A multi-use pathway on the south side of the road,
- A 1.8m sidewalk on the north side of the road,
- A new traffic signals at Riverton Street,
- A new roundabouts at the Wilson Road North and Laurelview Street intersections, and
- New storm sewers.
Oshawa said it has also partnered with the Region of Durham on this design. The region’s scope includes, but is not limited to, new concrete pressure pipe feedermain (watermain), sanitary forcemains, local watermains, local sanitary sewers and intersection improvements at both Harmony Road North and Ritson Road North.
Community members are invited to attend the public open house on Wednesday, July 15 from 7 pm – 9 pm at Delpark Homes Centre to review the detailed design and presentation.
New Roundabout
The Conlin Road East reconstruction and widening will be receiving a roundabout construction at Grandview Street North.
The work involves the:
- Reconstruction and widening of Conlin Road East from east of Harmony Road North to Kurelo Drive,
- 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, and
- 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.
This project started in August 2025 and is scheduled to be completed by December.
The Grandview Street North roundabout construction is planned to be completed this summer, while the work on Conlin Road East between Harmony Road North and Grandview Street North is planned to be completed by December.