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City closing Don Valley Parkway,
GO buses detouring, April 20, 21, 22



The City of Toronto is closing

  • the Don Valley Parkway between Highway 401 and the Frederick G. Gardiner Expressway

from 11 p.m. Friday, April 20 until 5 a.m. Monday, April 23 to conduct its annual spring maintenance. To make sure that workers completing the various maintenance tasks are safe, the City shuts down the entire roadway in both directions.

(The City had previously scheduled closing the Parkway for maintenance during the weekend of April 13 to 16. It postponed the plans due to the ice storm that overwhelmed the region last weekend.)

According to a City news release, “With no major events taking place in the city, [this weekend]… offers the best option for a full closure for several months. The work is necessary to ensure that the Don Valley Parkway is in the best state-of-good repair to mitigate flooding from spring and summer rains and to ensure the road is ready for increased traffic levels for the upcoming tourist and event season.”

The City did not close the Parkway for maintenance last fall, because staff had accomplished all necessary tasks during the spring 2017 effort.

Closing the Parkway affects bus service along GO Transit’s 61 Richmond Hill / Toronto, 63 King City / Toronto, 65 Newmarket / Toronto, 71 Stouffville / Toronto and 90 Lakeshore East routes. Although the buses serve all regular stops, passengers should expect detours and delays in service.

(GO has not confirmed how it’s detouring its buses during this closure. On previous occasions, buses have started and ended their trips in York Mills GO Bus Terminal, allowing passengers to transfer to the TTC’s Line 1 Yonge - University subway to travel to and from downtown Toronto. Regardless, GO Transit control will advise drivers how to detour the buses, depending on traffic conditions and will update passengers appropriately.)


While the Parkway is closed, City work crews are:

  • resurfacing the roadway, including paving shoulders;
  • flushing and inspecting culverts at four locations
  • patching asphalt surfaces and sealing cracks;
  • repairing potholes;
  • inspecting non-structural elements of 33 bridges and chipping the concrete, if necessary;
  • cleaning 38 bridge joints;
  • cleaning 650 catch basins;
  • sweeping and removing debris;
  • repairing guardrails including 120 metres of damaged rail;
  • inspecting crash systems;
  • maintaining signs for the entire length of the roadway;
  • inspecting and repairing 30 overhead signs;
  • maintaining 16 closed-circuit television cameras;
  • inspecting and maintaining 27 equipment cabinets; and
  • inspecting and repairing streetlights.

Motorists that usually travel along the Don Valley Parkway will likely choose nearby, parallel routes for their trips.

Expect heavier traffic on City streets to delay TTC services on these routes, while the DVP is closed:

  • 8 Broadview;
  • 11 Bayview;
  • 24 Victoria Park;
  • 25 Don Mills;
  • 51 Leslie;
  • 56 Leaside;
  • 62 Mortimer;
  • 65 Parliament;
  • 70 O’Connor;
  • 81 Thorncliffe Park;
  • 87 Cosburn;
  • 88 South Leaside;
  • 91 Woodbine;
  • 100 Flemingdon Park;
  • 115 Silver Hills;
  • 122 Graydon Hall;
  • 124 Sunnybrook;
  • 185 Don Mills rocket;
  • 304 King overnight;
  • 322 Coxwell overnight;
  • 324 Victoria Park overnight;
  • 325 Don Mills overnight;
  • 365 Parliament overnight;
  • 504 King;
  • 505 Dundas.

The City says, that to reduce the impact on nearby streets while the parkway is closed, it is:

  • implementing timing changes to traffic signals to enhance traffic flow on nearby routes
  • providing real-time traffic information on the City’s overhead signs, and
  • co-ordinating other construction projects to avoid major work taking place along parallel routes where possible.