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Scarborough Subway Extension: geotechnical and general survey work starts October 19

Update — Wednesday, January 11, 6:29 a.m.: Work continues until December 31.*

Scarborough subway logo2.pngStarting Wednesday, October 19, TTC crews start geotechnical drilling and general surveying at various sites on the McCowan Road corridor to prepare for the future Scarborough subway, extending the 2 Bloor - Danforth subway line.

The crews are drilling 55 boreholes in the road and the City of Toronto’s right-of-way to determine the underground conditions along the future subway corridor.

Expect the crews to temporarily block traffic lanes, starting on Borough Drive and then on McCowan Road, Progress Avenue, Danforth Road and Eglinton Avenue East, 7 a.m. to 7 p.m. Mondays to Fridays, while they work. They’ll work on these roads outside of the peak morning and afternoon traffic-flow direction. For example, they’ll be on southbound lanes of McCowan Road from 9 a.m. until 7 p.m. and northbound from 7 a.m. until 4 p.m. They’ll move equipment and work trucks along the subway alignment as they shift the work zone from one borehole to the next.

At the same time, survey crews are working to determine the exact location of surface and underground infrastructure.

Crews drill at each borehole for about six weeks.

Expect dust, noise and vibration related from drilling, saw-cutting, hydro-vaccing and heavy equipment.

Geotechnical work on the Scarborough subway route continues until November 30.

General surveying on the Scarborough subway route continues until December 31.

Crews will restore work areas with sod or asphalt, if necessary, in spring 2017.

The TTC says this work will not delay TTC services along these routes:

  • 12 Kingston Rd;
  • 16 McCowan;
  • 20 Cliffside;
  • 21 Brimley;
  • 38 Highland Creek;
  • 43B Kennedy via Progress;
  • 57 Midland;
  • 86 Scarborough;
  • 116 Morningside;
  • 133 Neilson;
  • 190 Scarborough Centre rocket; and
  • 198 U of T rocket.

McCowan - subway corridor - map.gif