With all of the construction work and diversions over the past months, the previous edition was getting cluttered. By early May, there is a lull in work anticipating the World Cup matches in June/July, and so it is time to begin a new directory of current and planned diversions.

May 2 at 8:00am

Current and pending diversions:

• May 3 between roughly 8am and noon: Toronto Marathon diversions:
  • 503 Kingston Road buses will divert both ways via Queen and Parliament. No service on King from River to Parliament.
  • 504A King service will loop via Parliament, Dundas, Broadview, Queen and King. No service to Distillery Loop.
  • 504B King service will divert both ways via Parliament and Queen. No service on King from River to Parliament.
  • 512 St. Clair cars will turn back at St. Clair West Station. No service on St. Clair between St. Clair West and St. Clair stations.
  • Many bus routes are also affected. See the TTC’s Service Changes page for details.
• Effective May 3:
  • Although regular operation of 506/306 cars through Bay & College resumes on May 3, the diversion via McCaul, Dundas and Parliament will continue between 11pm and 5am (8am on Sundays) to allow completion of overhead maintenance.
• May 3 at 11pm to May 8 at 4am:
  • 504/304 King service will divert via Shaw, Queen and Spadina both ways for track work on King. Buses will operate on King from University to Dufferin.
• Ongoing:
  • 501 Queen cars divert both ways via Church, Richmond/Adelaide and York.
• Beginning June:
  • Long Branch Loop will be rebuilt. Streetcar service will be partly or completely replaced by buses from June 7 to October 31. Dates are tentative.
• End of July to September:
  • Sewer replacement on College from Bay to Yonge.
  • Track replacement on Carlton from Yonge to Church.
• September to December
  • Track replacement on College from Bay to Yonge.
• Construction is planned at King & York in September, and on King from west of Dufferin to Close in the fall. Details TBA.

501 Queen

• The long-running diversion for Ontario Line construction at Yonge Street continues. Cars operate via Church, Richmond/Adelaide and York.

503 Kingston Road

• Service was cut back from King & Dufferin to King & York effective November 12, 2025 looping via York, Richmond and University. Buses continue to operate on this route.

504 King

• May 3 at 11pm to May 8 at 4am:
  • 504/304 King service will divert via Shaw, Queen and Spadina both ways for track work on King. Buses will operate on King from University to Dufferin.

505 Dundas

• No current diversions.

506 Carlton

• After 11pm until 5am weekdays and Saturdays, and until 8am on Sundays, 506 Carlton cars will continue to divert via McCaul, Dundas and Parliament to permit overhead work on College.

College/Carlton from Bay to Church

Track and sewer replacement will close portions of College/Carlton in three phases from March through December. Phase 1 is complete.

Phase 2: End of July to September

The area between Bay and Church will see two concurrent projects:

• Sewer replacement on College from Bay to Yonge.
• Track replacement on Carlton from Yonge to Church.

Phase 3: September to December

• Track replacement on College from Bay to Yonge.

507 Long Branch

• No current diversions.

Long Branch Loop will be rebuilt through the summer with streetcar service replaced in two stages. Dates are tentative.

• June 7 to September 5: Streetcar service replaced by buses.
• September 6 to October 31: Streetcar service will resume as far as Kipling Loop. The 110C Islington South bus will be extended west to Long Branch Loop.

508 Lake Shore

• From June 7 to September 5, 508 Lake Shore service will be suspended. It will resume as far as Kipling Loop in September-October, but will also be affected by diversions downtown for track work on King Street (details TBA).

509 Harbourfront

• No current diversions.

510 Spadina

• No current diversions.

511 Bathurst

• No current diversions.

512 St. Clair

• No current diversions.

Archive

Past diversions that are no longer in effect are moved here for reference. Detailed descriptions and maps will be added in the route-specific sections following this summary.

• Nothing to archive yet.