TTC Headway Reliability on Small Routes (Part II)

This post continues from Part I, and is broken off from it simply in the interest of keeping each article a reasonable size. For introductory comments please see Part I.

Routes included here are:

65 Parliament
70 O’Connor
72 Pape
75 Sherbourne
83 Jones
87 Cosburn
88 South Leaside

91 Woodbine
92 Woodbine South
111 East Mall
112 West Mall
114 Queens Quay East
154 Curran Hall
168 Symington

Problems seen on many routes in Part I show up here as well including:

  • Less reliable service on evenings and weekends
  • Missed trips due to missing buses without an attempt to rebalance headways to eliminate wide gaps

Most readers are only interested in some of the routes here, and that is why I have only published a few charts per route with links to details in PDF sets. Only the truly keen (some might say obsessed) and, of course, those whose job it is to know these details will look at just about everything.

Apologies if I’ve missed your route. I plan to look at others once the Line 5 and 6 changes fully cut in to see how new service designs work.

To those who ask why I publish so many of these route analyses, the answer is, sadly, that it takes a lot of data to make the point that erratic service is not found on only a few routes, nor only on major city-spanning bus and streetcar routes. “Traffic congestion” is too simplistic an explanation too often raised by the TTC, and it simply does not apply in some times and locations where these routes have poor service. TTC has no metric to report on this problem, and therefore no tracking mechanism to flag issues or the result of corrective strategies, if any.

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Where is my Streetcar? Fall 2025 Edition.

There are many diversions coming up in the Fall for streetcar routes. Information on these appears in various places on the TTC site, mainly but not exclusively under Service Advisories. As an aid to riders, this article consolidates the available information in one place.

Updated November 28, 2025

***** This article is only for archival purposes. It has been replaced by a new one picking up from mid-November 2025. *****

Major events pending and in progress include:

  • Construction on Queen between Davies (just east of the Don Bridge) and Broadview.
  • Reconstruction of the intersection of College and McCaul, and of overhead in the vicinity.
  • Reconstruction of track and overhead at and near Parliament and Carlton.

Other short term diversions will last only overnight or for a weekend.

Many of these are complicated by the ongoing Ontario Line work at Queen & Yonge forcing some diversions to be more complex than they might be otherwise.

This article will be updated when changes are announced.

  • November 21: The 501 diversion via Broadview, Dundas and Parliament around water main and track work west of Broadview will begin on November 22.
  • November 20: Equipment and material mobilization is underway on Queen west of Broadview.
  • November 17: The 506 diversion has been changed today to avoid the intersection of Church & Dundas where construction blocks the northeast corner. Maps have been added from the TTC’s site.
  • Effective November 16: The 503 Kingston Road bus will be cut back from Dufferin, and will now loop at York Street via Richmond and University.
  • November 15: Diversions announced for two projects on 506 Carlton at Parliament & Carlton, and on Gerrard east of Broadview.
  • November 9: King & Dufferin reopened for streetcar service. 503, 504, 508 will operate via their normal routes.
  • October 30: King & Dufferin reopens for general traffic and buses. Streetcars to return following track testing.
  • October 20: Water main reconstruction on Queen west of Broadview has been delayed until early November. 501 Queen streetcars will continue to operate on Queen Street until further notice.
  • October 13: 504 King is operating with streetcars today over its full route except for the King/Dufferin diversion.
  • October 9: Maps for 504 King and 506 Carlton diversions added.
  • October 8: Construction at Queen & Broadview will not start on October 12, and so some diversions will not be required immediately. Information for 501 Queen and 503 Kingston Road has been updated.
  • October 5: Nuit Blanch & Run For the Cure info moved to the archive section.
  • October 1: Diversions of 505/305 Dundas and 506/306 Carlton for Nuit Blance and for the Run For The Cure added for October 3/4/5.
  • September 23: The King/Dufferin start date has been changed to Sunday, September 28.
  • September 12: King/Dufferin start date pushed back to September 29 or later. The project will now extend to mid-November.
  • September 9: College/McCaul and Queen East details added.
  • August 26: King/Dufferin Project
    • The start date for this project has been changed to mid-September with the exact date to be confirmed. Although new schedules will be in place providing for diversions, service will continue to operate through on King Street until construction actually begins. This likely means that the project will extend further into October than the originally planned Thanksgiving weekend end date. The delay also means that the Tiff diversions will end before the King/Dufferin diversions begin.
    • Branch lettering for 504 King A/B corrected.
  • August 25: King/Dufferin Project
    • Information about Kingston Road night service added.
    • 304 King and 329 Dufferin confirmed to be diverted on the same routes as the 504A and 29 daytime services.
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Bus Service to the Eastern Waterfront

For many, many years, there has been talk of expansion of the streetcar system into the eastern waterfront. The “Waterfront East LRT” would branch off of the Bay Street tunnel at Queens Quay and running east initially to Villiers Island and eventually link with a southern extension of Broadview via the new GO/Ontario Line station at East Harbour.

Anyone waiting for this service will age considerably before it opens at the now tentative date of 2036. This was supposed to be a “Transit First” neighbourhood, but the history mocks all the fine talk of “Transit Oriented Communities” we hear today. Meanwhile, any attempt to actually use transit to reach this area is, putting it mildly, challenging. A collection of overlapping bus routes with infrequent and irregular service fight their way through chronic traffic congestion.

The route structure changed on May 12, 2024 as shown in the TTC maps below from 2023 and June 2024.

  • 19 Bay
    • 2023: From the central business district south on Bay and east on Queens Quay to loop at George Brown College near Sherbourne Street.
    • May 2024: Route shortened to loop via east on King, south on Yonge, west on Front and north on Bay.
  • 72 Pape
    • 2023:
      • 72A service from Pape Station to Eastern.
      • 72B service to Union Station from Pape via Commissioners, Cherry, Lake Shore, Queens Quay and Bay. The route changed from time to time as the area was rebuilt to create Villiers Island.
      • 72C service from Pape Station to Commissioners Street peak periods only.
    • May 2024:
      • 72A service to Eastern peak periods only.
      • 72B replaced by 114 Queens Quay East.
      • 72C extended west from Pape to Saulter Street and operated as the all day route.
  • 114 Queens Quay East
    • May 2024: New route from Union Station to Carlaw replacing the south end of 19 Bay and the west end of 72 Pape.

Two routes were not changed:

  • 65 Parliament:
    • From Castle Frank Station south via Parliament and west on Queens Quay to George Brown College.
  • 75 Sherbourne:
    • From Sherbourne Station south via Sherbourne and west on Queens Quay to Jarvis returning north via Jarvis and The Esplanade.

There is also the seasonal 202 Cherry from Union Station to Cherry Beach. Like the 72 Pape bus, its route has changed from time to time due to construction in the Villiers Island area.

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TTC Service Changes Effective September 4, 2022

Updated:

  • The spreadsheet detailing all of the changes has been added at the end of this post.
  • The number of the Mimico GO shuttle has been corrected to 176.
  • Transfer arrangements at Queen & Dufferin for the 501 bus and streetcar services have been clarified.
  • Transfer arrangements at Queen & Roncesvalles for the 501 and 504 bus services have been added.

Updated September 5, 2022:

  • The spreadsheet listing all of the changes has been corrected for route 504 King. The original version included a description of the route carried over from the August version. This has been changed to reflect the September arrangements.

The TTC will make many changes to its scheduled service on September 4, 2022 with restorations of previous service levels on many routes. This will not get the system back to 100% of pre-pandemic levels.

An important distinction is between three values:

  • The amount of service scheduled before Spring 2020
  • The amount of service budgeted for 2022
  • The amount of service scheduled for 2022

The TTC plans to be back to 97% of budgeted service for bus, 84% for streetcar and 92% for subway. The overall numbers are compared below.

Hours/WeekRegularConstructionTotal
January 2020 Scheduled185,8257,068192,893
September 2022 Budgeted186,3796,398192,777
September 2022 Scheduled177,9304,965182,895

In the original 2022 service budget, the TTC planned to be back to roughly the same level of service as in January 2020 by September 2022. However, slower ridership recovery coupled with staffing constraints produced a lower scheduled service expressed as hours/week.

There are further caveats:

  • The distribution of hours by time of day might not be the same in 2022 as in 2020 because of changing demand patterns.
  • Changes in running times to deal with congestion or service reliability can mean that the same service hours are stretched over wider headways. Not all vehicle hours are created equal.

All that said, there are many changes in service levels, and with the bus network being back to 97%, the schedules for September 2022 are often based on old versions before service cuts were implemented. Another change for this month is the reintroduction of school trips on many routes.

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TTC Service Changes: May 8, 2022

Several of the service cuts implemented in November 2021 will be restored with the May 2022 schedules. This includes express service on several routes. Although planned service will be 6.2% lower than the original budget for this period, the TTC intends to resume restoration of full service through the fall to the end of the year.

Information in this article is taken from the May 8, 2022 Scheduled Service Summary and from a copy of the detailed memo on service changes which was provided by a source. Normally the TTC sends these to various people in advance, but for some unknown reason, the document has not officially been sent to the normal external recipients.

There are some conflicts between information in the two documents and I have tried to reconcile these with my own judgement about which is correct because it is not unusual for there to be discrepancies in descriptions of service changes.

Rapid Transit Services

There are no changes in rapid transit services.

Streetcar Services

  • The 501H/501L Queen replacement buses for service on the west end of the route will be shortened to turn back downtown via University Avenue, Adelaide Street and York Street rather than operating to Broadview & Gerrard or Broadview Station.
    • Eastbound buses will operate as 501U.
    • Bus service will be provided from Birchmount, Queensway and Eglinton divisions.
    • There is no change to the existing 501 Queen streetcar service between Neville Loop and Bathurst Street (Wolseley Loop), nor to the 301 Blue Night Bus operation.
  • Headways on 505 Dundas and 506 Carlton will be blended to allow for the shared terminal at High Park Loop.
    • The 505 Dundas routing change to High Park Loop will be officially recognized in the schedules.
    • Service will be reduced during most periods on both routes as a seasonal change.
  • 306 Carlton Blue Night will operate with buses to Dundas West Station.
  • 509 Harbourfront: Seasonal service increase evenings and weekends.
  • 512 St. Clair: Service increase on weekdays.

Bus Services

Routes With Express Service Changes/Restorations

  • 29/929 Dufferin:
    • Local service improved during most periods on weekdays.
    • Weekend service rescheduled for articulated buses.
    • Weekend express service restored using artics.
  • 939 Finch East Express:
    • Weekend service restored.
  • 41/941 Keele:
    • Local service changed from articulated to standard buses on weekdays with improved frequency of service.
    • Midday express service restored.
    • Express operation changed to articulated buses.
  • 43/943 Kennedy:
    • Minor service reallocation on weekday local service.
    • Peak period express service restored.
  • 52/952 Lawrence West:
    • Service reliability adjustments weekdays
    • Express peak period service improvements
  • 60/960 Steeles West:
    • Seasonal service reductions
    • Reliability changes
  • 68/968 Warden:
    • Reliability changes and some weekend service improvements.
    • Peak period express service restored.
  • 85/985 Sheppard East:
    • All 85 local service on weekends will now operate with standard sized buses rather than with artics.
    • Weekend 985 express service restored.

Diversions

Note: These diversions are described in the service memo, but are not reflected in the scheduled service summary.

  • 31 Greenwood:
    • Effective approximately May 18, service will be diverted to Coxwell Station while the loop at Greenwood Station is closed for Easier Access construction. This work will last about one year.
  • 57 Midland
    • Service reliability adjustments.
    • Northern terminus shifted to the Redlea cul-de-sac via Steeles and Redlea.

Other Changes

  • 365 Parliament Blue Night Bus:
    • Weekend service that was removed in error in fall 2021 will be restored.
  • 73 Royal York and 76 Royal York South:
    • Service reliability improvements
    • During some periods, the 73B Eglinton service will interline with the 76B Queensway service.
  • 83 Jones
    • Recovery time reallocated to the south end of the route to reduce conflicts near Donlands Station.
  • 95 York Mills:
    • Stops added on Durnford Road and Rylander Blvd for the 95A Port Union extension. These will be reviewed in advance of the September 2022 schedule changes.
  • Service reallocation affecting some periods on the following routes:
    • 16 McCowan (peak periods)
    • 17 Birchmount (peak periods)
    • 36B Finch West (am peak and early evening)
    • 81 Thorncliffe Park (peak periods)
  • Service reliability changes which generally widen headways during most or all periods:
    • 30 High Park
    • 31 Greenwood
    • 57 Midland
    • 62 Mortimer
    • 77 Swansea
    • 93 Parkview Hills
  • Service reliability changes rebalancing driving/recovery time with no change in service level:
    • 33 Forest Hill
    • 101 Downsview
  • Service improvements:
    • 31 Greenwood (peak periods)
    • 33 Forest Hill (peak and weekday midday)
    • 83 Jones PM (peak periods)
    • 86 Scarborough early evening Zoo shuttle (restored, seasonal)
    • 92 Woodbine South (weekends, seasonal)
    • 996 Wilson Express (weekday midday and pm peak)
    • 175 Bluffer’s Park (restored, seasonal)
  • Service reductions:
    • 75 Sherbourne: AM peak and midday (seasonal)
    • 600 Run As Directed: The number of crews/buses assigned to RAD service will be reduced by about one third as full scheduled service returns.

With the restructuring of bus service in the waterfront and the creation of the 121 Esplanade-River route, there is no existing route to provide seasonal service to Cherry Beach or Ontario Place. Two new routes, 172 Cherry Beach and 174 Ontario Place-Exhibition will operate instead.

172 Cherry links Union Station to Cherry Beach. It will operate from Eglinton Division.

174 Ontario Place links Exhibition Loop to Ontario Place. It will operate from Mount Dennis Division.

Details of the changes are in the spreadsheet linked below.

Service Reliability on 65 Parliament: September 2021

This article continues a series reviewing service quality on some of the TTC’s shorter routes that generally escape notice when buses like Dufferin and Finch come under fire for erratic operation.

Overview

65 Parliament is a very short route operating from Castle Frank Station on Line 2 BD south to The Esplanade. The 2022 Service Plan proposes extending the route south to Queens Quay to the loop at Corus Quay serving George Brown College.

The service design during September 2021 is shown below:

Although the scheduled headway varies from 11 to 20 minutes, the actual headway operated can at times be well over half an hour either because buses are missing from the route, or because the limited number of vehicles on the route are running in pairs.

In the headway charts below, I have extended the vertical scale from the 0-30 minute range used in past articles to 0-60 minutes so that the data points will be visible.

Southbound From Castle Frank Station

The screenline for the data here is on Bloor Street west of Castle Frank Station.

In spite of this route being short, there is a wide dispersion in headway values as the charts show. In a pattern seen on other routes, the standard deviation of the headways (dotted lines in the first chart) lie between 0 and 5 minutes for the first few hours of service, but rise substantially thereafter. This is a measure of the degree to which headways diverge from the mean value.

Those means show their own variation on a week-by-week basis indicating that the number of trips (and hence the average headway) was not consistent across the month. Day by day breakdowns are in the rest of the charts.

Days with very wide gaps and bunching are not rare oddities, but are a common situation on this route.

Northbound From Front

The screenline for the data here is on Front Street just east of Berkeley which is the start of the south end loop.

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