Toronto Ontario Line 3 | ?m | ?s | Metrolinx

Part 2
24-hour Sewer Work Between Cosburn & Gowan
To accommodate future excavation and construction of Cosburn Station on the Ontario Line, the existing sewer under Pape will be relocated to the laneway west of Pape (connecting Gowan and Cosburn) and south of Cosburn.
Work was scheduled to start Wednesday, November 13th. Construction will take place Monday to Saturdays for 24 hours a day.
This work will involve five primary construction phases and finish in approximately four months. The first two phases are expected to take three months to complete.
All phases will result in traffic, pedestrian and noise impacts in the Pape-Gowan-Cosburn area.

Phase 1
The first phase entails replacing sewer infrastructure on Gowan and connecting it to the existing sewer on Pape. This phase is further divided into 1A and 1B. Impacts are as follows:

Phase 1A:
  • Gowan closed from Pape to the laneway
  • south end of laneway near Gowan closed
  • north sidewalk on Gowan closed between Pape and the laneway
  • centre lane on Pape at Gowan closed
    • vehicles travelling westbound on Gowan east of Pape will be unable to turn left to head southbound on Pape or continue straight on Gowan west of Pape
    • vehicles travelling north or south on Pape will be unable to access Gowan west of Pape
One lane in each direction will be maintained on Pape. The laneway will also remain accessible from Cosburn. View the Phase 1A closure map.

Phase 1B:
  • Gowan will remain closed from Pape to the laneway
  • both southbound lanes on Pape by Gowan will be closed
    • vehicles will still be able to travel both north and south on Pape via a temporary lane in each direction
  • pedestrians on Pape will not be able to cross the west side of the Pape-Gowan intersection
    • pedestrians will be directed to cross west of the work zone on Gowan
  • south end of laneway near Gowan will remain closed
View the Phase 1B closure map.
 
Part 3

Phase 2
Phase 2 will see the construction of the launch shaft for the micro-tunneling machine.
Gowan will remain closed from Pape to the laneway. The south end of the laneway will also stay closed.
Pedestrians on Pape will remain unable to cross the west side of the Pape-Gowan intersection and will continue crossing west of the work zone on Gowan.
There are no Pape traffic lane restrictions planned for Phase 2. View the Phase 2 closure map.

Phases 3 to 5
Phases 3 to 5 will each take several days to complete each and result in further traffic and pedestrian impacts.
Read Metrolinx's updated construction notice for more details.

Geotechnical Monitor Installation at Minton & Hopedale
Metrolinx was scheduled to begin installing geotechnical monitoring equipment on Monday, November 11th at Minton and Hopedale.
Work will take place Monday to Friday from 7 a.m. to 5:30 p.m. for approximately three weeks.
Noise, dust and vibrations should be expected. Read Metrolinx's construction notice for more details.

Long Term Lane Reduction at Minton & Hopedale
Metrolinx crews were scheduled to begin occupying the curb lane adjacent to the work site on Hopedale on Monday, November 11th. This will be ongoing until June 2027.
The sidewalk adjacent to the closure will also be closed at this time. Two lanes of traffic will be maintained on Hopedale.
Read Metrolinx's construction notice for more details.
 
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