Search Transit Toronto

King Street West track and water-main construction: TTC detours, starting February 18



Update — Tuesday, October 1, 5:04 p.m.: Construction has ended, for 2024. Buses and streetcars resume their regular paths, starting Sunday, October 6.


Update — Friday, September 13, 8:13 p.m.: The TTC says that, in early August, crews completed restoration work, meaning: repairing sidewalks and resurfacing the roadway. In early September, crews began cleaning up the work area. By mid-September, the TTC will begin commissioning work, so regular (and safe) streetcar service can be restored [along] King Street West.

Starting Monday, September 16, it’s revising the detour for buses along the 63 Ossington route. Buses operate along King West between Atlantic Avenue and Dufferin Street.


Update — Friday, April 26, 6:57 p.m.: The City has announced that, “due to supply-chain challenges”, it can’t obtain the specialized material it require to replace the TTC streetcar track at the intersection of King Street West with Dufferin Street. It is deferring this part of the project until 2025. It will also replace the water main under King West between Close Avenue and Dufferin as part of the same 2025 construction project.


Sunday, February 18, the City of Toronto and the TTC start a project to upgrade the aging streetcar tracks

  • on King Street West between Dufferin and Shaw streets.

The City will also replace the 146-year-old water-main in the same area.

2024 - 02-19 - King - Dufferin to Shaw construction.jpg

The City is closing this section of King Street West to all through traffic. The TTC is detouring buses and streetcars along these routes to accommodate the construction:

  • 63 Ossington;
  • 304 King overnight;
  • 501 Queen;
  • 504 King;
  • 508 Lake Shore.

Wheel-Trans services remain accessible in all areas where the work zone doesn’t block local traffic.

King - West end construction 240218 - Map-V8.jpg

The early phases of the project don’t affect service along these routes in the nearby area:

  • 29 Dufferin;
  • 301 Queen overnight;
  • 329 Dufferin overnight;
  • 363 Ossington overnight;
  • 929 Dufferin express.

(Updated — Friday, April 26, 6:57 p.m.)However, during a future phase of construction this summer, the City will extend the work zone to completely close the intersection of King West with Dufferin to all traffic and the TTC will revise its detours. During that phase of construction, the TTC will also detour buses along the 29 / 329 / 929 Dufferin routes.

Track and water-main construction on King Street West and the resulting TTC detours continue until “December 2024”, meaning as late as until December 31.


(Updated — Friday, April 26, 6:57 p.m.)The City and TTC expect construction to take place in five phases from February 20 until December 2024:

  • Phase one: from late February until August - replacing the water main on King Street West between Dufferin and Shaw streets.
  • Phase two: from mid-May until late June - renewing streetcar tracks on King West between Dufferin and Fraser Avenue.
  • Phase three: from June until August - renewing streetcar tracks at the intersection of King with Dufferin.
  • Phase four: from August until late September - renewing streetcar tracks on King between Fraser and Atlantic avenues.
  • Phase five: from September until early December - renewing streetcar tracks on King between Atlantic and Shaw.

During phase one, the work zone will restrict the roadway to just one lane in each direction on King.

During phases two, four and five, the City is closing each section of King where crews are working to all traffic.

During phase three, the City is closing the King / Dufferin intersection to through traffic in all directions.


(Updated — Friday, April 26, 6:57 p.m.) The City and TTC expect to complete the project by November 2024.

Phase 1 - Water-main replacement - Mid-February until the end of July

King - Dufferin - Shaw - Phase-1-Map-768x391.png

  • Crews are replacing the water main under King Street West between Dufferin and Shaw streets.
  • The work zone is “rolling”, meaning crews set up and dismantle it at various sites as they progress with the project.
  • The work zone restricts traffic to just one lane in each direction.
  • Pedestrian access continues.

Phase 2 - TTC streetcar-track replacement - April 22 until April 29

King - Dufferin - Shaw - Phase-2.jpg

  • TTC crews weld and store rail on the north side of King Street West between Mowat Avenue and King Street West.
  • City contractors connect the water main.
  • The work zone blocks westbound traffic.
  • Pedestrian and business access continues.

Phase 3 - TTC streetcar-track replacement - April 29 until May 21

King - Dufferin - Shaw - Phase-3.png

  • TTC crews replace the streetcar track on King Street West between Mowat Avenue and Joe Shuster Way.
  • The work zone blocks all traffic.
  • Pedestrian and business access continues.

Phase 4 - TTC streetcar-track replacement - May 21 to August 12

King - Dufferin - Shaw - Phase-4.jpg

  • TTC crews replace the streetcar track on King Street West:
  • between Sudbury and Shaw streets.
  • The work zone blocks all traffic.
  • Pedestrian and business access continues.
  • between Atlantic Avenue and Sudbury Street.
  • The work zone blocks all traffic.
  • Pedestrian and business access continues.
  • between Dufferin Street and Joe Shuster Way.
  • The work zone blocks westbound traffic.
  • Pedestrian and business access continues.
  • between Joe Shuster Way and Jefferson Avenue.
  • The work zone blocks westbound traffic.
  • Pedestrian and business access continues.

Phase 5 - TTC streetcar-track replacement - August 9 to September 5

King - Dufferin - Shaw - Phase-5.png

  • TTC crews complete finishing works for the streetcar track.
  • The work zone restricts traffic to just one lane in each direction. Pedestrian access continues.

Phase 6 - Restoration and overhead work - September

  • TTC crews maintain the streetcar overhead wiring and restore the area.
  • All traffic lanes are open, however work zones may temporarily block lanes.
  • Pedestrian access continues.

(Updated — Friday, April 26, 6:57 p.m.) Crews excavate and remove concrete and rail during various times throughout the day. Most excavation activities take place from 7 a.m. until 10 p.m. The TTC explains that “Around-the-clock (24/7) work during new rail installation by TTC crews is required to preserve the integrity and quality of new rail and concrete. Additional overnight rail work by TTC crews may consist of moving the new rail into position for installation.”

(Updated — Friday, April 26, 6:57 p.m.) During Phase 1, crews work from 7 a.m. until 7 p.m., Mondays to Fridays and occasionally later evenings or weekends, if necessary.

During phase 2, crews work 24 hours a day, seven days a week. They excavate and complete heavy-breaking from 7 a.m. until 11 p.m. Concrete-breaking is the most disruptive activity and will typically lasts during just the first one to two days for each phase of the construction. The TTC explains that “Around-the-clock (24/7) work during new rail installation by TTC crews is required to preserve the integrity and quality of new rail and concrete. Additional overnight rail work by TTC crews may consist of moving the new rail into position for installation.”

Overnight rail work includes:

  • moving new rail into position;
  • installing new rail; and
  • welding and grinding the new rail.

Crews generally maintain sidewalk access for pedestrians. The City is prohibiting parking near the work zones.


504 King

The work zone for the project requires the TTC to detour streetcars along both branches of the route:


504A branch

Streetcars along the 504A branch operate between Dundas West Station and Distillery Loop during all times, except overnight.

Starting Sunday, February 18, eastbound route 504A cars operate along their regular path to Roncesvalles Avenue and Queen Street West / The Queensway, then detour:

eastward along Queen West; and then
southward along Shaw Street to King Street West,
resuming their regular path eastward along King West.

Eastbound route 504A cars skip their regular stops

  • on King Street West across from Wilson Park Road, at Dowling, Jameson, Dunn and Spencer avenues and Dufferin Street, across from Joe Shuster Way, at Atlantic Avenue and Douro and Shaw streets.

Instead, eastbound route 504A cars drop off or pick up passengers at temporary stops

  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin, Sudbury and Abell streets, Dovercourt Road, Lower Ossington Avenue and Shaw Street and
  • on Shaw Street across from Adelaide Street West and at King Street West.

During construction, the TTC is cancelling all service to stops on King West at Joe Shuster, Atlantic, Douro and Shaw. Buses along the 63 Ossington route serve passengers travelling to and from the stops at Wilson Park, Dowling, Jameson, Dunn, Spencer and Dufferin.

Back to top

Westbound route 504A cars reverse the eastbound detour routing.

Westbound route 504 cars skip their regular stops

  • on King Street West at Sudbury Street, across from Jefferson Avenue, at Joe Shuster Way and Dufferin Street, across from Spencer Avenue and at Dowling, Jameson and Dunn Avenues, beyond Wilson Park Road and at Queen Street West.

Instead, westbound route 504A cars drop off or pick up passengers at temporary stops

  • on Shaw Street at Adelaide and Queen streets west and
  • on Queen Street West at Ossington Avenue, Dovercourt Road and Beaconsfield and Gladstone avenues, beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues.

During construction, the TTC is cancelling all service to stops on King West at Sudbury, Jefferson, Joe Shuster and Dufferin. Buses along the 63 Ossington route serve passengers travelling to and from the stops at Spencer, Dunn, Jameson, Dowling, Wilson Park and Queen West.

Back to top


504B branch

The TTC detours route 504B streetcars along two different paths:


Before 10 p.m. daily, starting Sunday, February 18, route 504B streetcars operate between Humber Loop and Broadview Station.

Eastbound cars start their trips in Humber Loop, then proceed:

eastward along The Queensway and Queen Street West; and then
southward along Shaw Street to King Street West,
resuming their regular path eastward along King West.

Before 10 p.m., eastbound route 504B cars skip their regular stops

  • in Dufferin Gate Loop,
  • on Dufferin Street at Liberty Street and Queen Street West and
  • on King Street West across from Joe Shuster Way, at Atlantic Avenue and Douro and Shaw streets.

Instead, eastbound route 504B cars drop off or pick up passengers at temporary stops before 10 p.m. daily

  • in Humber Loop,
  • on The Queensway beyond South Kingsway and Windermere and Ellis avenues and Colborne Lodge Drive and at Parkside Drive, Glendale Avenue and King Street West,
  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin, Sudbury and Abell streets, Dovercourt Road, Lower Ossington Avenue and Shaw Street and
  • on Shaw Street across from Adelaide Street West and at King Street West.

During construction, the TTC is cancelling all service to stops on King West at Joe Shuster, Atlantic, Douro and Shaw. Buses along the 29 Dufferin route serve passengers travelling to and from the stops on Dufferin Street. And, temporarily, streetcars along the 501A Queen route serve the stops on Dufferin and in Dufferin Gate Loop before 10 p.m.

Back to top

Westbound route 504B cars reverse the eastbound detour routing before 10 p.m. daily.

Before 10 p.m., westbound route 504B cars skip their regular stops

  • on King Street West at Sudbury Street, across from Jefferson Avenue, at Joe Shuster Way and Dufferin Street,
  • on Dufferin Street across from Liberty Street and at Springhurst Avenue and
  • in Dufferin Gate Loop.

Instead, westbound route 504B cars drop off or pick up passengers at temporary stops before 10 p.m. daily

  • on Shaw Street at Adelaide and Queen streets west,
  • on Queen Street West at Ossington Avenue, Dovercourt Road and Beaconsfield and Gladstone avenues, beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues,
  • on The Queensway beyond Glendale Avenue, Parkside and Colborne Lodge drives and Ellis and Windermere avenues and at South Kingsway and
  • in Humber Loop.

During construction, the TTC is cancelling all service to stops on King West at Sudbury, Jefferson, Joe Shuter and Dufferin. Buses along the 29 Dufferin route serve passengers travelling to and from the stops on Dufferin Street. And, temporarily, streetcars along the 501A Queen route serve the stops on Dufferin and in Dufferin Gate Loop before 10 p.m.

Back to top


After 10 p.m. daily, starting Sunday, February 18, route 504B streetcars operate between “Roncesvalles Avenue” and Broadview Station. The cars loop through Roncesvalles Carhouse.

Eastbound cars start their trips in the carhouse, then proceed:

southward along Roncesvalles Avenue;
eastward along The Queensway and Queen Street West; and then
southward along Shaw Street to King Street West,
resuming their regular path eastward along King West.

After 10 p.m., eastbound route 504B cars skip their regular stops

  • in Dufferin Gate Loop,
  • on Dufferin Street at Liberty Street and Queen Street West and
  • on King Street West across from Joe Shuster Way, at Atlantic Avenue and Douro and Shaw streets.

Instead, eastbound route 504B cars drop off or pick up passengers at temporary stops after 10 p.m. daily

  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin, Sudbury and Abell streets, Dovercourt Road, Lower Ossington Avenue and Shaw Street and
  • on Shaw Street across from Adelaide Street West and at King Street West.

During construction, the TTC is cancelling all service to stops on King West at Joe Shuster, Atlantic, Douro and Shaw. Buses along the 29 Dufferin route serve passengers travelling to and from the stops on Dufferin Street.

Back to top

Westbound route 504B cars reverse the eastbound detour routing after 10 p.m. daily.

After 10 p.m., westbound route 504B cars skip their regular stops

  • on King Street West at Sudbury Street, across from Jefferson Avenue, at Joe Shuster Way and Dufferin Street,
  • on Dufferin Street across from Liberty Street and at Springhurst Avenue and
  • in Dufferin Gate Loop.

Instead, westbound route 504B cars drop off or pick up passengers at temporary stops after 10 p.m. daily

  • on Shaw Street at Adelaide and Queen streets west and
  • on Queen Street West at Ossington Avenue, Dovercourt Road and Beaconsfield and Gladstone avenues, beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues.

During construction, the TTC is cancelling all service to stops on King West at Sudbury, Jefferson, Joe Shuter and Dufferin. Buses along the 29 Dufferin route serve passengers travelling to and from the stops on Dufferin Street

Back to top

304 King overnight

Starting Monday, February 20, the TTC resumes streetcars, instead of buses, along the route.

Eastbound cars operate along their regular path to Roncesvalles Avenue and Queen Street West / The Queensway, then detour:

eastward along Queen West; and then
southward along Shaw Street to King Street West,
resuming their regular path eastward along King West.

Eastbound cars skip their regular stops

  • on King Street West across from Wilson Park Road, at Dowling, Jameson, Dunn and Spencer avenues and Dufferin Street, across from Joe Shuster Way, at Atlantic Avenue and Douro and Shaw streets.

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

  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin, Sudbury and Abell streets, Dovercourt Road, Lower Ossington Avenue and Shaw Street and
  • on Shaw Street across from Adelaide Street West and at King Street West.

During construction, the TTC is cancelling overnight service to stops on King West between Queen Street West / The Queensway and Shaw Street.

Back to top

Westbound cars reverse the eastbound detour routing.

Westbound cars skip their regular stops

  • on King Street West at Sudbury Street, across from Jefferson Avenue, at Joe Shuster Way and Dufferin Street, across from Spencer Avenue and at Dowling, Jameson and Dunn Avenues, beyond Wilson Park Road and at Queen Street West.

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

  • on Shaw Street at Adelaide and Queen streets west and
  • on Queen Street West at Ossington Avenue, Dovercourt Road and Beaconsfield and Gladstone avenues, beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues.

During construction, the TTC is cancelling overnight service to stops on King West between Shaw Street and Queen Street West / The Queensway.

Back to top

508 Lake Shore

Starting Tuesday, February 19, eastbound cars operate along their regular path to The Queensway and Roncesvalles Avenue, then detour:

eastward along Queen West; and then
southward along Shaw Street to King Street West,
resuming their regular path eastward along King West.

Eastbound cars skip their regular stops

  • on King Street West across from Wilson Park Road, at Dowling, Jameson, Dunn and Spencer avenues and Dufferin Street, across from Joe Shuster Way, at Atlantic Avenue and Douro and Shaw streets.

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

  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin, Sudbury and Abell streets, Dovercourt Road, Lower Ossington Avenue and Shaw Street and
  • on Shaw Street across from Adelaide Street West and at King Street West.

During construction, the TTC is cancelling all service to stops on King West at Joe Shuster, Atlantic, Douro and Shaw. Buses along the 63 Ossington route serve passengers travelling to and from the stops at Wilson Park, Dowling, Jameson, Dunn, Spencer and Dufferin.

Back to top

Westbound cars reverse the eastbound detour routing.

Westbound cars skip their regular stops

  • on King Street West at Sudbury Street, across from Jefferson Avenue, at Joe Shuster Way and Dufferin Street, across from Spencer Avenue and at Dowling, Jameson and Dunn Avenues, beyond Wilson Park Road and at Queen Street West.

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

  • on Shaw Street at Adelaide and Queen streets west and
  • on Queen Street West at Ossington Avenue, Dovercourt Road and Beaconsfield and Gladstone avenues, beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues.

During construction, the TTC is cancelling all service to stops on King West at Sudbury, Jefferson, Joe Shuster and Dufferin. Buses along the 63 Ossington route serve passengers travelling to and from the stops at Spencer, Dunn, Jameson, Dowling, Wilson Park and Queen West.

Back to top

63A / 63B Ossington

Starting Sunday, February 18, southbound buses operate along their regular path to Liberty Street and Atlantic Avenue, then proceed:

westward along Liberty;
northward along Dufferin Street;
westward King Street West;
westward along The Queensway; and then
northward into Sunnyside Loop,
ending their trips.

Southbound buses skip their regular stop

  • on Atlantic Avenue at King Street West.

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

  • on Dufferin Street beside #243 Dufferin and at King Street West,
  • on King Street West across from Spencer Avenue and at Dowling, Jameson and Dunn Avenues, beyond Wilson Park Road and at Queen Street West and
  • in Sunnyside Loop.

Back to top

Northbound buses start their trips in Sunnyside Loop, then proceed:

southward along Sunnyside Avenue;
eastward along The Queensway and King Street West;
southward along Dufferin Street;
eastward along Liberty and East Liberty streets;
northward along Strachan Avenue; and then
westward along King Street West to Shaw Street,
resuming their regular path northward along Shaw.

Northbound buses skip their regular stops

  • on Atlantic Avenue at King Street West and
  • on King Street West at Douro Street.

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

  • on King Street West [eastbound] beyond The Queensway, across from Wilson Park Road, at Dowling, Jameson, Dunn and Spencer avenues and Dufferin Street,
  • on Dufferin Street across from Liberty Street,
  • on Liberty Street across from Atlantic Avenue,
  • on East Liberty Street across from Lynn Williams Street and at Pirandello Street,
  • on Strachan Avenue beyond Wellington Street West and
  • on King Street West [westbound] at Shaw Street.

Back to top

501 Queen

The TTC continues to operate streetcars along two branches:


501A branch

Before 10 p.m. daily, starting Sunday, February 18, streetcars along the 501A branch operate between Dufferin Gate and McCaul loops.

Eastbound cars start their trips in Dufferin Gate Loop, then proceed:

northward along Dufferin Street to Queen Street West,
resuming their regular path eastward along Queen West.

Eastbound cars skip their regular stops

  • in Humber Loop,
  • on The Queensway beyond South Kingsway and Windermere and Ellis avenues and Colborne Lodge Drive and at Parkside Drive, Glendale Avenue and King Street West and
  • on Queen Street West at Triller, Beaty, Jameson and Dunn avenues, across from Brock Avenue and at Dufferin Street.

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

  • in Dufferin Gate Loop and
  • on Dufferin Street at Liberty Street and King Street West, across from Melbourne Avenue and at Queen Street East.

Streetcars along the 504B King route serve passengers travelling to and from the stops at Humber Loop and on The Queensway and Queen Street West before 10 p.m. daily.

Back to top

Westbound cars operate along their regular path to Queen Street West and Dufferin Street, then detour:

southward along Dufferin;
westward along Springhurst Avenue;
southward along Fort Rouille Street; and then
eastward into Dufferin Gate Loop,
ending their trips.

Westbound cars skip their regular stops

  • on Queen Street West beyond Dufferin Street and at Brock, O’Hara, Lansdowne, Sorauren, Triller and Roncesvalles avenues,
  • on The Queensway beyond Glendale Avenue, Parkside and Colborne Lodge drives and Ellis and Windermere avenues and at South Kingsway and
  • in Humber Loop.

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

  • on Dufferin Street at Melbourne Avenue and King Street West, across from Liberty Street and at Springhurst Avenue and
  • in Dufferin Gate Loop.

Streetcars along the 504B King route serve passengers travelling to and from the stops on Queen Street West and The Queensway and at Humber Loop before 10 p.m. daily.

Back to top


501C branch

After 10 p.m. daily, streetcars operate along their regular path between Long Branch and McCaul loops.