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John Street Thornhill construction: YRT detour, starting July 17

Starting Monday, July 17, the City of Markham is closing

  • John Street, westbound lanes, west of Bayview Avenue

to complete “an infrastructure project”.

York Region Transit is detouring buses along this route, while the traffic lanes are closed:

  • 2 Milliken.


Construction on John Street and the resulting YRT detour continue until August 11.

2 Milliken

From Monday, July 17 until Friday, August 11, westbound buses operate along their regular path to John Street and Bayview Avenue, then detour:

southward along Bayview; and then
westward along Proctor Avenue to Henderson Avenue,
resuming their regular path southward along Henderson.

Westbound buses skip their regular stops

  • on John Street at Bayview Avenue and Baywood Gate and
  • on Henderson Avenue beyond John Street, at Elgin Street, beyond Cerswell Avenue and at Clark Avenue East and Glen Cameron Road.

Instead, westbound buses drop off or pick up passengers at temporary stops

  • on Bayview Avenue beyond John Street and Thornlea Road, across from Laureleaf Road and at Proctor Avenue.

Eastbound buses operate along their regular path.

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