People on platform

Construction Beside and Within GO Transit Corridors

Building Near Metrolinx - Guidelines and Permits

Construction work near a GO rail corridor

If you are planning to undertake construction within or near a Metrolinx-owned GO Transit rail corridor, there are policies and procedures you must follow to maintain safe conditions at all times.

Work permit area in the Metrolinx corridor

You need to contact Metrolinx to obtain a permit if your proposed work is within a Metrolinx corridor/review zone and any of the following points apply:

  • The work is above or below any Metrolinx-owned GO Transit rail corridor
  • The work is within 30 feet (10 metres) of any Metrolinx-owned GO tracks
  • The work is outside of but next to the 30-foot (10 metres) limit of any Metrolinx-owned GO tracks and involving an elevating device (crane, boom truck, Genie Lift, etc.)
  • The work is outside of but next to the 30-foot (10 metres) limit of any Metrolinx-owned GO tracks and involves excavation that may impact the railway loading zone
  • The work involves any type of lane closure and/or temporary road condition that impacts the normal flow of traffic over a level road/rail crossing and/or the normal operation of the level crossing warning gate and signaling system
  • The work is on Metrolinx-owned property

In order to obtain a Metrolinx Work Permit and move forward with any proposed work, the following requirements must be met:

  • The subject design plans and work plan are reviewed and accepted by Metrolinx
  • All personnel have completed Metrolinx personal track safety training
  • A qualified Metrolinx railway flag person is assigned to protect the work
  • Valid railway utility locates are obtained, including Metrolinx, CN and Ontario One call
  • Proof of suitable insurance is provided to Metrolinx

Find out more about Metrolinx's requirements for building near Metrolinx's rail corridors and Priority Transit Projects. For assistance with advancing such works, please contact