The King Street Diversion Debacle

Starting on October 19 mid-afternoon, streetcar service on King Street east of Church was blocked by a sinkhole caused by a broken watermain. Streetcar service was diverted from King to Queen, and the 501B Queen bus was shifted south to King.

The sinkhole repairs completed a few days ago, and effective October 25, the diversions are only in effect until 7pm while water main repairs continue. While this arrangement does improve evening service, it perpetuates the operational problems caused by the total lack of transit signal priority and traffic management at key intersections.

Updated Oct 27 at 11:15pm: The modified routes will not be in operation over the weekend, but will resume on Monday morning, October 30 according to the @ttchelps X account.

A separate problem occurs at the transition back to “normal” service in the evening. The buses revert to normal or run back to the garage, but it takes some time for the congestion to abate and normal streetcar service to resume. This puts a large gap between the two services.

Diversion Announcement This diversion announcement linked below has disappeared from the TTC site. As the TTC updates their info, I will amend this article.

In summary, here are the normal (now evening only) and modified (daytime) routes through the affected area:

  • 501B bus: Bathurst to Broadview/Gerrard
    • Normal: Via Queen, Bay, King/Richmond (EB/WB), Church to Queen
    • Diverted: Via Queen, Bay, King to Queen at the Don River (Both ways)
  • 501D streetcar: Neville to York & Wellington
    • Normal: Via Queen, Church, Wellington/York/King loop
    • Diverted: No route change, but many Queen cars never get to York street and are short turned further east including to Distillery Loop during the most congested periods.
  • 503 streetcar: Spadina to Bingham
    • Normal: Via King, Queen, Kingston Rd
    • Diverted: Via King, Church, Queen, Kingston Rd
  • 504 streetcar:
    • Normal: From King West to Distillery Loop via King, Sumach and Cherry
    • Diverted:
      • Streetcars short turn at Church via Church, Richmond, Victoria, Adelaide, Church
      • Bus shuttle to Distillery looping downtown via Bay, Adelaide, Yonge to King

This arrangement has extremely severe effects on transit and traffic in general notably at locations where streetcars must turn. There is no Transit Signal Priority (TSP), no Traffic Warden (aka “Agent”), and no attempt to manage the conflicts between turning streetcars, other traffic and high pedestrian volumes at affected intersections. Concurrent work on Adelaide Street diverts traffic to Yonge Street and adds to congestion on streets used for the bus diversion.

Travel times of half an hour and more between Spadina and Church are common.

The situation makes total mockery of the City’s recent Congestion Management Plan by showing how they are utterly unprepared and unwilling to respond to an event that requires major reallocation of road space and time among various types of users, and active management in place of passive acceptance of chaos.

A fundamental part of traffic planning is to determine intersection capacity. This is not rocket science. If there are “N” green phases per hour, and in practice it is only possible for at best one streetcar to turn per cycle, this sets an upper bound on capacity. In fact, one per cycle is amazingly optimistic and could only likely be achieved with both TSP signalling (a “white bar” transit only phase) and a Traffic Agent to ensure the TSP was respected.

Service frequencies on the streetcar routes, and the equivalent cars/hour are:

  • 501D Queen/Neville service: 10′ / 6 cars/hour
  • 503 Kingston Rd Bingham service: 10′ / 6 cars/hour
  • 504 King Church service: 4′ / 15 cars/hour

This translates to the following demands by turning cars/hour:

  • King/Church
    • Eastbound left: 35
    • Southbound right: 25
  • Queen/Church:
    • Westbound left: 20
    • Northbound right: 20
  • Church/Richmond:
    • Northbound left: 15

A typical traffic signal cycle time is 80 seconds, or 45 times per hour. It is self-evident that attempting to turn 35 cars/hour would be a challenge. This is compounded by the fact that many cars will stop to serve passengers before turning and will almost certainly lose one cycle for that purpose.

Another source of delay is that the electric switches for turns do not always work requiring operators to manually set their route where some cars turn and others go straight through. This can also affect TSP signals where they do exist because the switch electronics “tell” the signals that a transit phase is needed.

This is a crisis-level example of why TSP should be installed everywhere that streetcars might need it, not just for standard scheduled movements (e.g. eastbound at Queen and Broadview, turns at King & Sumach). It is precisely during events where operations go off kilter that the best possible priority is needed. If the facilities were sitting there, they would benefit occasional diversions and short turns, as well as major service interruptions like this one.

The City’s plan is utterly silent on this need, and that must change. For its part, the TTC must insist on improved TSP for streetcar and bus routes. This is not a panacea, but an important contribution to transit reliability and credibility.

Streetcars Return to Humber Loop

The TTC has announced that streetcar service west of Sunnyside Loop (where 501A service now ends) will be extended to Humber Loop on Sunday, October 29. Service to Long Branch will be provided by the 501L shuttle bus operating between Humber and Long Branch as shown below.

A 501M Marine Parade bus will operate from Humber Loop.

The 508 Lake Shore streetcar service will resume to Long Branch Loop on Monday, October 30. Cars will leave Long Branch roughly every 20 minutes from 6:40 to 8:10am. Westbound trips will leave King Station from about 4:25 to 5:45pm.

The eastern terminus of the 501A cars will continue to be at McCaul Loop.

The extension is possible between regular schedule changes because running time is already provided in the October schedules for 501 operation to Humber, and for 508 operation to Long Branch.

Full 507 Long Branch streetcar service will be restored at the next schedule change on Sunday, November 19.

Night service will continue with the 301 Queen Night Bus because of the need to divert around Ontario Line construction.

Streetcar Diversion Update, Sept. 24, 2023

The weekend of Sept 23-24 saw another shuffle in the streetcar diversion list on which I last reported a few weeks ago. This round of changes is triggered by two events:

  • Metrolinx work on the Lakeshore East corridor at Queen & Degrassi streets prevents streetcar operation through the underpass, and at times the road will be closed to all traffic.
  • Toronto Hydro work on Queen West has completed to the point that streetcars are no longer diverting via King Street through Parkdale.

Services now operating on Queen Street include:

  • 501L (aka 507) Queen bus from Long Branch to Dufferin. These buses do not appear on transit apps.
  • 501B Queen bus from Bathurst to Broadview & Gerrard, with downtown diversion around Ontario Line construction.
  • 501 Queen streetcar from Sunnyside Loop to McCaul Loop.
  • 501D (aka 513) Queen bus from Victoria Street (looping via Church, Richmond and Victoria) to Neville Loop. These buses appear on transit apps as 513 Queen East.
  • 503 Kingston Road bus between the Don River and Kingston Road.

During certain periods, the underpass at Degrassi will be closed to all traffic and the 501/503/513 services will divert via Broadview, Dundas and Carlaw.

Complete closures are planned for Sunday, September 24 all day, and from Friday, September 29 at 10pm to Monday, October 2 at 4am.

The 504 King car operates only west of Distillery Loop pending completion of road and track construction on Broadview from Gerrard to Broadview Station Loop. Heavy construction at the loop will begin on Monday, September 25. Paving in the curb lanes on Broadview south of Danforth has begun following completion of track work.

The 72A Pape bus serving King Street East will use the same diversion around Queen & Degrassi as the Queen services, and will not serve stops south of Dundas nor on Queen east of Broadview during periods when the underpass is closed.

The 505 Dundas car no longer serves Queen Street East except between Coxwell and Woodbine Loop. It now operates via Broadview, Gerrard, Coxwell and Queen to Kingston Road.

There is no map of the current route arrangement in the east end on the TTC’s Streetcar Service Changes page, and some maps for 505 Dundas reflect its route before the shift north to Gerrard Street. The 505 Dundas section also still includes a reference to the 506C bus from Castle Frank Station which no longer operates.

The 506 Carlton car is unchanged with normal service except at the west end where cars divert to Dundas West Station due to water main construction on Howard Park Avenue.

Routes 509 Harbourfront, 510 Spadina and 511 Bathurst are operating normally.

Route 512 St. Clair will remain a bus operation until summer 2024 for various construction projects.

Yet Another 501 Queen Diversion

The TTC has announced a diversion of 501 Queen streetcar service between Roncesvalles and Shaw via King due to Toronto Hydro work at Gladstone Avenue.

This diversion took some at TTC by surprise. I was alerted to it by a reader [with thanks] who received a notice from Hydro of an impending project and streetcar service suspension “as per TTC approval”. This was not mentioned in the September Service Planning memo, and when I asked the TTC, nobody seemed to know anything about it.

The services now operating on Queen are:

  • 501L/B Queen bus from Long Branch to Broadview & Gerrard, with downtown diversion around Ontario Line construction.
  • 501 Queen streetcar from Sunnyside Loop to McCaul Loop diverting via King and Shaw through Parkdale.
  • 503 Kingston Road bus between the Don River and Kingston Road.
  • 505 Dundas between Broadview and Woodbine Loop at Kingston Road.

Needless to say, this arrangement completely bamboozles trip prediction apps, although transsee.ca makes a valiant attempt to keep up with the situation.

This will change on September 22/23 with the closure of Queen East at Degrassi for Metrolinx work on the GO corridor, and, in theory, completion of the Hydro work on Queen West. Stay tuned for updates.

Yet Another Change to East End Streetcar Services

Further to my recent post about planned service changes effective September 3, the TTC has issued a revised set of route arrangements thanks to a change in the schedule for Metrolinx work at Queen & Degrassi.

There will be four stages to the service modifications:

  • Sunday, September 3 to Friday, September 22 at 10 pm
  • Friday, September 22 at 10 pm to Friday, September 29 at 10 pm
  • Friday, September 29 at 10pm to Monday, October 2 at 4 am
  • Monday, October 2 at 4am to Sunday, October 8

October 8 falls on Thanksgiving weekend which is the October TTC schedule change date. Service arrangements beyond that point have not been announced.

The information here is adapted, with corrections, from the TTC’s website Streetcar Service Changes page. As I write this (4:50 pm, August 29), there are several inconsistencies or errors on the TTC’s site. This article is an attempt to consolidate the available information.

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TTC Service Changes Effective Sunday, September 3, 2023 (Preliminary)

This is a preliminary version based on GTFS data (the standard format for transit schedules used by online services) and some Service Advisories on the TTC site. I expect to receive the full list of September service changes early in the week of August 28 and will update this article accordingly including the usual detailed comparison of service levels.

Updated August 26 at 9:15 pm: 512 St. Clair updated to reflect complete bus replacement for work at various locations on the line.

Updated August 27 at 4:30 pm: At 10:30 am on August 28, the Mayor, TTC Chair and CEO will hold a press conference at STC Station to “outline how the TTC will increase service beginning September and into the fall.”

Updated August 29 at 5:30 pm: Due to changes in the Metrolinx schedule for work on the Lake Shore East Queen Street bridge, there has been a further revision of planned service. Please see this post for details.

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Short Turns and Wait Times on Streetcar Routes

At the TTC Board meeting on July 12, 2023, there was a brief discussion of the problem of short turns on streetcar lines. The information provided by management was, shall we say, less than a full accounting of what is actually going on.

This issue flared up many years ago particularly with short turns of service in The Beach among other areas, and in general a problem with erratic, gap-filled service on the outer ends of routes. TTC management committed to reducing or eliminating this problem, and to that end there was a “no short turns” policy that everybody seemed to know about at the operational level, but which was officially denied.

The stats did go down, but looking under the covers showed that not all was well:

  • Short turns are a bona fide service management tactic for dealing with delays to restore even spacing of service. There is nothing wrong with a short turn of some cars in a parade because this will restore service sooner than if every car trundles to the terminal and they return in a pack.
  • The official count of short turns fell to almost zero. However, this was due in part to selective reporting that was clear to (a) anyone actually riding the system and (b) anyone looking at vehicle tracking data.

Rick Leary got the equivalent of a gold star from the Board who frankly did not know any better, but occasionally wondered why claims of improved service did not align with complaints from constituents. The standard excuses for occasional upsets due to congestion and construction were regularly trotted out even though service could be erratic at times and locations when these were clearly impossible.

The charts below from the July 2023 CEO’s Report show the official count of short turns on the streetcar and bus network. An important factor in comparing the two is that the buses overall have many routes where congestion and construction do not affect most, if any, trips. The figures are not broken out by route to flag the “bad actors”. Moreover, the values are presented as a percentage of all trips so that time-of-day effects are hidden.

The “no short turns” policy implementation is quite clear in the data from Fall 2018 through Spring 2019. In reviewing actual short turn counts from tracking data, I have found that the values are consistently under-reported, and they do not represent actual conditions. For example, the proportion of service outbound on 501 Queen from downtown (as counted at Woodbine vs Greenwood) reaching Neville Park ranges from 100% to below 50% in January to June 2023.

Updated July 15, 2023: In June 2023, the TTC changed its reporting of short turns from an absolute number to a percentage. The scale of these charts does not make sense because the streetcar chart claims it is per 1000 departures, but cites a percentage (per 100). For comparison, the May 2023 charts are below.

I have written many times on this site about service quality and there are many factors at play including:

  • Unreasonably short or long scheduled travel times. This may sound like an odd pairing, but both can produce erratic service.
    • Too short times lead to short turns to keep operators on time especially for crew changes.
    • Too long times lead to extended layovers at terminals.
  • Lack of headway discipline at terminals and along routes.
  • Lack of headway management for vehicles re-entering service from a short turn to “split” a gap rather than simply running behind a through vehicle and carrying few passengers.

There are, of course, ad hoc situations where accidents, short-term construction or special events produce conditions that are not “standard”. These are normal and have to be managed to the degree possible. One side effect of the overall reduction in service on streetcar lines to a 10 minute level on many routes is that there is no spare capacity when delays occur, and wider headways make the effect on riders of any missing vehicle (either not in service or short-turned) greater.

This is not the first time the system encountered that problem, and tuning out surplus capacity has been a generic issue across the network any time budget “efficiency” takes precedence over service. The phrase “adjusting service to meet demand” goes back over four decades.

Service standards that allow for some empty space on vehicles are important because they guarantee some flexibility to absorb small problems without service collapsing. An analogy for motorists is that a highway totally jammed with cars does not move traffic at all well, and some empty space is necessary to ensure the road is usable. On transit, empty space is viewed as waste while on our roads no congestion is a holy grail.

The remainder of this article reviews the short-turning situation on most streetcar routes and the underlying causes.

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Preliminary List of Service Changes July-September 2023

At the TTC Board Meeting, management presented plans for coming service changes to the Board.

When I receive the detailed plans for coming schedule periods, I will post the usual omnibus articles.

Updated July 13, 2023: The eastern terminus of the 506C bus has been corrected to Victoria Park Station.

Updated July 14, 2023: The 506 Carlton street service will resume on Gerrard East to Coxwell on Monday, July 17.

Updated July 15, 2023: The map of the revised 506 Carlton routing has been posted by the TTC.

Week of July 17 (Updated)

With the completion of water main and track work at Coxwell & Lower Gerrard, the 506 Carlton cars will be extended east from Broadview via Coxwell to Woodbine Loop on July 17. Service to Victoria Park Station will continue to be provided by the 506C Carlton bus.

Through bus service on Coxwell from Danforth to Queen will be restored on July 30 when 22 Coxwell return.

July 30

Several changes will occur on Sunday, July 30 including adjustments in response to demand levels, scheduling improvements and construction work.

The 31 Greenwood bus route which has been operating temporarily via an expanded south end loop will be permanently extended to Queen & Eastern Avenue.

The 506 Carlton route will be shifted to Dundas West Station as its western terminus to permit water main construction on Howard Park Avenue.

September 3

Streetcar service will return to Long Branch with 501 Queen cars running to Humber Loop, and 507 Long Branch cars from Humber to Long Branch. The peak period 508 Lake Shore (via King) will also return.

Streetcar service will return to Upper Gerrard and Main Street Station with completion of construction work there.

Streetcars will be replaced on Queen East and on St. Clair for construction.

On 501 Queen, the Ontario Line work at Degrassi (east of Broadview) will require bus service in place of streetcars. As previously announced, the temporary 505 Dundas service to Woodbine Loop will be routed via Gerrard and Coxwell due to the Metrolinx work on Queen.

On St. Clair, reconstruction of St. Clair West Station Loop will require buses over the entire 512 route. This will also affect 33 Forest Hill and 126 Christie (which will interline rather than looping at St. Clair West), and 90 Vaughan which will be extended south to Bathurst Station.

Reconstruction of Dufferin Loop will alter the south end loop arrangements for the 29/929 Dufferin services, and the 504B King to Dufferin service will be extended to Roncesvalles.

The duration of these new construction projects has not been announced.

Where Is My Diversion Notice (July 2/23 Edition) (Update 2)

Oh the irony! The TTC’s Annual Service Plan consultations are all about how to handle a few (but not all) of the construction projects coming in 2024, but the elephant in the room remains bad communications and changes on the fly.

The new routes implemented in May and June 2023 were in cases impractical thanks to a combination of unduly optimistic running times in schedules, less than adequate transit priority and line management whose priority was not the provision of well-spaced, reliable service. Several changes will take effect on July 4 and 5 to correct some of these problems, but the information is scattered through the TTC’s website, if you can find it at all.

First, a summary of the changes:

  • The 501/504 shuttle bus (an ad hoc service implemented to cover for the absence of the 503 Kingston Road car to King Street downtown) will be rebranded as “503” and will serve Kingston Road to Bingham Loop until 8pm every day. This will become a scheduled bus service at the end of July, and will revert to 503 streetcars likely in October.
  • The 505 Dundas car will only operate east on Queen from Broadview to Woodbine Loop, except after 8pm when service to Bingham will be provided by streetcars.
  • The 506 Carlton car will only operate to Queen and Broadview and will return west to route via Queen and Parliament Streets without running east to Woodbine Loop.
  • The 512 St. Clair car will be restored, temporarily, west of Lansdowne to Gunns Loop. While it lasts, this will correct for the erratic service now provided there by the 47 Lansdowne extension.

The challenge is to find out that this is happening to your route. The TTC website is very poorly organized with information in many places that is inconsistently placed and linked (or not) to the main route pages affected. Some items are out of date, but remain in place to confuse riders. Some items describe major changes but are hard to find if you don’t know the site in detail.

These are the hallmarks of a site maintained by many groups each with its own (probably jealously guarded) responsibility for providing information. Nobody appears to care about overall site consistency and ease of navigation, or if they do, are in any position to change what is a clearly broken process. Some information is just plain wrong indicating that whoever created or updated the page was either sloppy, or does no know what is actually happening.

Updated July 4, 2023 at 7:10am: Changes to the TTC website since this article was posted are noted in various places below.

Updated July 5, 2023 at 4:30pm: Changes to the TTC website since the July 4 update are noted throughout the article.

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