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GO Expansion Studies and FAQs

Read technical reports and frequently asked questions about GO Expansion.

New Track & Facilities TPAP

As part of the GO Expansion Program, Metrolinx has identified various infrastructure requirements needed to achieve service level targets across the GO rail network. The New Track & Facilities TPAP is one component of the GO Expansion Program and covers several initiatives that will help achieve two-way all-day train service.

This work includes three new layover and storage facilities - Don Valley, Walkers Line and Unionville - new platforms at existing GO stations, new track and switches, as well as modifications and upgrades to existing track within the Metrolinx rail rights-of-way, the expansion and modification of bridges and the electrification of a portion of the Richmond Hill Line up to Pottery Road.

Notice of Completion

Statement of Completion

New Track & Facilities - Final Environmental Project Report

Executive Summary

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9


new track facilities tpap - system wide key map