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GO Rail Network Electrification

Environmental Assessments and Addendums under the Transit Project Assessment Process

To support the GO Expansion program, Metrolinx has identified various infrastructure requirements including track and switches, layovers, and electrification to achieve established service level targets across the network. New infrastructure involves carrying out Environmental Assessments (EA) and EA Addendums under the Transit Project Assessment Process (TPAP) (Ontario Regulation 231/08).

A Significant Addendum to the GO Rail Network Electrification Environmental Project Report (EPR) is now being undertaken to assess additional electrification infrastructure required for new tracks and layover facilities (which are being studied as part of a separate Metrolinx study called “New Track & Facilities TPAP”) proposed across various portions of the GO rail network that were not previously examined as part of the 2017 Environmental Project Report (EPR).

Metrolinx and Hydro One, as co-proponents, completed a Transit Project Assessment Process (TPAP) in accordance with Ontario Regulation 231/08 for the GO Rail Network Electrification Project. Notice to Proceed for this TPAP was issued on December 11th, 2017. The purpose of the GO Rail Network Electrification project is to convert Metrolinx-owned rail corridors from diesel to electric propulsion, including traction power supply and distribution infrastructure, bridge modifications, and other ancillary works.

The changes to the electrification infrastructure as a result of the New Track & Facilities project represents changes that were not previously examined as part of the 2017 Environmental Project Report (EPR) and requires a Significant Addendum under the Transit Project Assessment Process.

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About GO Expansion

To get people moving we are actively building and upgrading existing GO Rail stations, adding new track, building and opening new maintenance and storage facilities, expanding and revitalizing bridges around our region and improving pedestrian connections. Learn more about the GO Expansion program where you can also review the GO Expansion Business Case.

Investing in our future

Year after year, train by train, bus by bus, Metrolinx has committed to constantly improving transit for people living in in the Greater Golden Horseshoe. Now, that work is taking on a whole new energy. Thanks to a huge investment in infrastructure, Metrolinx is working to quadruple GO Rail service and improve customer experiences.