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Highway 401 expansion project

Additional lanes in Mississauga and Milton will make travel times shorter

The purpose of Highway 401 Project is to widen and reconstruct parts of Highway 401 in the western Greater Toronto Area (GTA).

The Project, currently in the design phase, will add:

Construction is expected to be completed by late 2022.

Peel Region is responsible for moving water and wastewater assets (such as pipes and valves) that could affect highway widening and new lane construction.  

For more information visit Highway 401 Expansion Project.

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