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Drilling Down: Minimizing Impacts with Trenchless Construction

For the majority of the expanded Trans Mountain pipeline route, an open-cut construction method is being used, which involves the pipe being set down into a trench and buried. 


Thank you, Yellowhead Region

Two hundred and eighty-five kilometres of pipeline construction is now complete in Yellowhead County from Spruce Grove to Hinton.


Thank you, Clearwater region

Seventy-five km of pipeline construction is now complete through Vavenby to Darfield, including Clearwater. Teams will return throughout 2023 to finish right-of-way cleanup and reclamation.


Trans Mountain Expansion Project Nearing 80% Construction Completion

This milestone includes 787 kilometres of pipe in the ground, the completion of 12 pump stations, more than 40,000 welds and the completion of 50 major trenchless crossings.


Protecting Watercourses and Fish Habitat

We know creeks and streams are an important part of our environment. That’s why we're committed to maintaining the highest standard of environmental protection for watercourses along the Project...


Major Milestone: Drilling Completion of Burnaby Mountain Tunnel

As part of the Expansion Project, Trans Mountain has finished drilling on the 2.6-kilometre underground tunnel connecting Burnaby Terminal and Westridge Marine Terminal.


Westridge Marine Terminal: Watch Innovation Take Shape

Witness the significant progress achieved at Westridge Marine Terminal since the start of construction in 2018.


In-Stream Work on Coquihalla River Crossing Successfully Completed in Hope

Now that the pipe has been installed, the stream will return to the natural flow path. Work to reclaim the site to its original condition with additional bed and bank flood protection is ongoing.


Summer 2022 Construction Look Ahead

The Trans Mountain Expansion Project will be in peak construction this summer. We’ve highlighted some key construction activities you may see in the different regions along the construction corridor.


Protecting Traditional Land Use and Cultural Heritage Resources

Approved mitigation plans are in place to reduce potential impacts to Traditional Land Use (TLU) areas.

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