Construction begins on TransCanada Highway / Sarcee Trail Interchange

With site preparation nearly complete, construction is now underway on the TCH/Sarcee Trail Interchange.

During the initial stages of construction, traffic will continue to move normally. There are no construction zone speed limit reductions. However, drivers are asked to take caution and watch for construction vehicles leaving and entering Sarcee Trail. Advisory signs are in place.

Currently construction is taking place off of the main roadways.

Wilson Gardens

The Wilson Gardens exit to southbound Sarcee Trail will be closed as of April 21st through the duration of the construction.

Bridge Detour

As of May 1, drivers will notice a small shift on the northbound to eastbound ramp to a 150-metre stretch of pavement. This will allow work to begin on the east bridge. The speed limit on this ramp will continue to be 30 km/hour. However, construction zone speed penalties will apply.

Minimizing Construction Impacts

The majority of the interchange work will take place off the existing roadways. This strategy will minimize the need for any full road closures or major detours. We anticipate there may be a need for short duration lane closures and speed reductions as we complete ramp connections, the existing bridge rehabilitation, and other features throughout the project.

Our goal is to minimize traffic impacts as much as possible.
The TCH-Sarcee Interchange is a joint project between The City of Calgary and Trinity. For continued updates on the project, please visit

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