Ontario breaks ground on Bowmanville GO Extension project

The Government of Ontario broke ground on GO Transit’s Bowmanville Extension, marking another milestone in a project which will extend the Lakeshore East GO line 18.7 kilometres into Durham Region, accommodating 17,000 daily trips and 4.9 million boardings annually by 2041.

“Awarding the major construction contract for the Bowmanville Extension moves us one step closer to providing GO Train service to more people across Durham Region. This project will extend the Lakeshore East line, and will add the transit capacity needed to keep pace with Durham’s rapid growth,” said Michael Lindsay, president and CEO of Metrolinx.

The Bowmanville GO Extension project is No. 96 on ReNew Canada’s 2026 Top100 Projects report.

“The Bowmanville Extension will transform travel across Durham Region, bringing fast, reliable and affordable GO train service to residents from Oshawa to Bowmanville and connecting thousands of Ontarians to housing and good-paying jobs,” said Prabmeet Sarkaria, Minister of Transportation.

The first phase of construction includes rebuilding and modifying bridges along the corridor, relocating utilities and making improvements at the Durham College Oshawa GO Station and the adjacent VIA Rail building. Early works began in spring 2025 and included tree clearing, geotechnical investigations along the corridor and the installation of a new watermain in Oshawa.

The Bowmanville Extension will run from Durham College Oshawa GO Station to Bowmanville GO Station, offering service every half hour during peak periods, hourly during off-peak periods and every two hours on weekends.

Four stations are planned along the Bowmanville Extension at Thornton’s Corners East, Ritson Road, Courtice and Bowmanville.

“It’s a proud day for Durham Region—this is a significant milestone, many years in the making, set to transform connectivity for residents of Oshawa and Clarington, while improving transit access for surrounding communities. It will mean easier commutes, expanded access to job and learning opportunities, and more time for people to focus on what matters to them most,” said John Henry, Regional chair and CEO, The Regional Municipality of Durham.

Featured image: (Government of Ontario)

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