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Cosburn / Coxwell sinkhole repairs: TTC detours, starting August 28



Update — Thursday, October 23, 6:38 a.m.: The City is again closing the intersection so that crews can repave the roadways, starting 7 p.m. Friday, October 24. The TTC is again detouring the buses.


A sinkhole has opened

  • in the intersection of Cosburn Avenue with Coxwell Avenue,

requiring the City of Toronto to close the intersection to traffic, while crews repair the damage.

The TTC is detouring buses along these routes, while the intersection is closed:

  • 70 O’Connor;
  • 87 Cosburn; and
  • 322 Coxwell overnight.

70 OConnor - Mortimer 250828-Aug28-Sept5-2025.jpg

87 Cosburn - OConnor 250828-Aug28-Sept5-2025.jpg

Sinkhole repairs at Cosburn / Coxwell and the resulting TTC detours continue until September 5.


87A / 87C Cosburn

From 4 a.m. Thursday, August 28 until 7 a.m. Friday, September 5, westbound buses operate along their regular path to Cosburn and Woodbine avenues, then detour:

northward along Woodbine;
westward along O’Connor Drive; and then
southward along Donlands Avenue to Cosburn,
resuming their regular path westward along Cosburn.

Westbound buses skip their regular stops

  • on Cosburn Avenue at Woodmount and Roblin avenues, beyond Binswood Avenue, at Coxwell Avenue, across from Roosevelt Road and at Linsmore Crescent and Greenwood Avenue.

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

  • on Woodbine Avenue beyond Bracebridge Avenue,
  • on O’Connor Drive across from Woodbine Avenue, at Woodvale Crescent and Taylor Drive, beyond Ralston Avenue, at Coxwell Boulevard, across from Derwyn and Athlone roads and beyond Don Mills Road and
  • on Donlands Avenue at Torrens Avenue.

(Note that the TTC also suggests a shorter westbound detour:

(Westbound buses operate along their regular path to Cosburn and Binswood avenues, then detour:

(northward along Binswood;
(westward along Plains Road; and then
(southward along Lankin Boulevard to Cosburn,
(resuming their regular path westward along Cosburn.

(Westbound buses skip their regular stops

  • (on Cosburn Avenue beyond Binswood Road and at Coxwell Avenue.)

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Eastbound buses operate along their regular path to Cosburn and Donlands avenues, then detour:

northward along Donlands;
eastward along O’Connor Drive; and then
southward along Woodbine Avenue to Cosburn,
resuming their regular path eastward along Cosburn.

Eastbound buses skip their regular stops

  • on Cosburn Avenue at Donlands and Greenwood avenues and Linsmore Crescent, beyond Roosevelt Road and at Coxwell, Binswood, Glebemount, Woodmount and Woodbine avenues.

Instead eastbound buses drop off or pick up passengers at temporary stops

  • on Donlands Avenue at Plains Road and O’Connor Drive,
  • on O’Connor Drive at St. Hubert Avenue, Northbrook, Derwyn and Milton roads, Coxwell and Hutton avenues, beyond Binswood and Glebemount avenues and at Woodmount and Woodbine avenues and
  • on Woodbine Avenue beyond Woodbine Avenue and at Plains Road.

(Note that the TTC also suggests a shorter eastbound detour:

(Eastbound buses operate along their regular path to Cosburn Avenue and Lankin Boulevard, then detour:

(northward along Lankin;
(eastward along Plains Road; and then
(southward along Binswood Avenue to Cosburn,
(resuming their regular path eastward along Cosburn.

(Eastbound buses skip their regular stops

  • (on Cosburn Avenue at Coxwell and Binswood avenues.)

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322 Coxwell overnight

(Information from @TTCNotices.)

From 4 a.m. Thursday, August 28 until 7 a.m. Friday, September 5, westbound buses operate along their regular path to Coxwell and Mortimer avenues, then detour:

westward along Mortimer; and then
northward along Donlands Avenue to Cosburn Avenue,
resuming their regular path westward along Cosburn.

Westbound buses skip their regular stops

  • on Coxwell Avenue at Mortimer Avenue and beyond Barker Avenue and
  • on Cosburn Avenue beyond Coxwell Avenue, across from Roosevelt Road and at Linsmore Crescent and Greenwood Avenue.

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

  • on Mortimer Avenue beyond Coxwell Avenue, at Roosevelt Road, Linsmore Crescent, beyond Inwood Avenue and at Greenwood and Donlands avenues and
  • on Donlands Avenue at Memorial Park Avenue.

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Eastbound buses reverse the westbound detour path.

Eastbound buses skip their regular stops

  • on Cosburn Avenue at Donlands and Greenwood avenues and Linsmore Crescent, beyond Roosevelt Road and at Coxwell Avenue and
  • on Coxwell Avenue beyond Memorial Park Avenue.

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

  • on Donlands Avenue at Floyd Avenue and
  • on Mortimer Avenue at Inwood and Greenwood avenues, Linsmore Crescent, Roosevelt Road and Coxwell Avenue.

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70 O’Connor

From 4 a.m. Thursday, August 28 until 7 a.m. Friday, September 5, westbound buses operate along their regular path to O’Connor Drive and Woodbine Avenue, then detour:

southward along Woodbine; and then
westward along Mortimer Avenue to Coxwell Avenue,
resuming their regular path southward along Coxwell.

Westbound buses skip their regular stops

  • on O’Connor Drive across from Woodbine Avenue, at Woodvale Crescent and Taylor Drive and beyond Ralston Avenue and
  • on Coxwell Avenue beyond O’Connor Drive, at Plains Road and Cosburn Avenue, beyond Memorial Park Avenue and at Mortimer Avenue.

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

  • on Woodbine Avenue beyond O’Connor Drive, at Plains Road and Cosburn Avenue, beyond Barker Avenue and at Mortimer Avenue and
  • on Mortimer Avenue beyond Woodbine Avenue and at Woodmount and Glebemount avenues and Dunkirk Road.

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Eastbound buses reverse the westbound detour path.

Eastbound buses skip their regular stops

  • on Coxwell Avenue beyond Barker Avenue and at Cosburn Avenue, Plains Road and O’Connor Drive and
  • on O’Connor Drive at Hutton Avenue, beyond Binswood and Glebemount avenues and at Woodmount and Woodbine avenues.

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

  • on Mortimer Avenue at Knight Street and Glebemount and Woodmount avenues and
  • on Woodbine Avenue at Barker and Cosburn avenues, beyond Bracebridge Avenue and at O’Connor Drive.

(Note that the TTC also suggests a shorter eastbound detour:

(Eastbound buses operate along their regular path to Coxwell and Mortimer avenues, then detour:

(westward along Mortimer;
(northward along Greenwood Avenue; and then
(eastward along O’Connor Drive to Coxwell,
(resuming their regular path eastward along O’Connor.

(Eastbound buses skip their regular stops

  • (on Coxwell Avenue beyond Barker Avenue and at Cosburn Avenue, Plains Road and O’Connor Drive and
  • (on O’Connor Drive at Hutton Avenue, beyond Binswood and Glebemount avenues and at Woodmount and Woodbine avenues.

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

  • (on Mortimer Avenue beyond Coxwell Avenue, at Roosevelt Road, Linsmore Crescent, beyond Inwood Avenue and at Greenwood and Avenue and
  • (on O’Connor Drive at Northbrook, Derwyn and Milton roads and Coxwell Avenue.)

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