The construction of the TransCanada Sanitary Trunk is underway in Calgary’s west end, but residents won’t see the results until 2028.

The project is a brand-new 8.5-kilometre sanitary trunk line that will meet the demands of west Calgary and surrounding areas like the town of Cochrane.

The estimated cost for the sanitary trunk is $136 million, and it will run from east to west along the TransCanada Highway, under Stoney Trail.

The detailed design phase of the project has been completed, and now it is on to the construction phase, which is projected to run until late 2026.

After construction is finished, the project will then move onto the landscaping phase, which is expected to be completed by late 2027 to early 2028.

West Calgary and Cochrane are currently serviced by the Valley Ridg

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