This is the fourth part of my review of the reports on the agendas of Toronto’s Executive Committee and the Metrolinx Board. The full list is in the first article.
This report reviewed here is the Relief Line Initial Business Case.
Following a series of public meetings and background reports over past months, the Relief Line study has settled on a proposed alignment from Pape Station south to Eastern Avenue, then west to the Don River (passing beside the Unilever/Great Gulf development site), jogging north back to Queen Street west of the river, and thence to University Avenue. This is referred to as Option 3. The other options were:
- 1: Surface transit improvements on Queen and King, but no Relief subway line
- 2: Relief line from Pape Station to downtown via Queen
- 2A: Relief line from Pape Station to downtown running diagonally from Gerrard to Queen via the GO rail corridor.
Future extensions to the north and west are also contemplated, but this “Business Case” report deals only with the first phase.
As the route selection process evolved, so did the scoring system used to rank the options. For example, the employment benefits of the Unilever site were not considered in earlier schemes where a Queen Street alignment all the way from Pape to University ranked highest. By the time we get to the “final” ranking, the Pape/Eastern/Queen alignment clearly wins out. Some of the change is due to the use of the City’s “Feeling Congested” evaluation matrix that has been brought to many of the recent studies. The priorities of these evaluations are more weighted toward social and city building benefits, and less to raw travel-time saving.
Relief to the Bloor-Yonge interchange is projected, although the larger benefits occur when the line is extended north to Sheppard & Don Mills.
The first phase of the Relief Line is anticipated to provide a net reduction of 3,400 to 5,900 riders on Line 1 (Yonge) south of Bloor during the AM peak period. The subsequent extension of the Relief Line north to Sheppard Avenue is projected to provide even greater relief, with a net reduction of 6,500 to 9,900 riders relative to the Base Case in 2041. [p 3]
The future second phase is shown in this map:
The detailed ridership estimates have not been published, but the presumed network elements that would exist for the modelling are:
• Eglinton Crosstown LRT from Mt Dennis to Kennedy Station (currently under construction);
• Toronto-York- Spadina Subway Extension (currently under construction);
• Sheppard Avenue East LRT (funded);
• Scarborough Subway Extension (3 stop) (funded); and
• Connections to new subway stations from existing local bus and streetcar routes [p 16]
Notable by their absence are SmartTrack and the Crosstown East LRT to UTSC, and the Scarborough Subway is presumed to be the 3-stop version to Sheppard Avenue. Considering that the configuration of the “optimized” Scarborough network changed some months ago, the use of an out-of-date model is surprising.
The projected cost of the Relief Line has been widely reported as almost doubling. This is misleading because it contrasts current 2016 dollar estimates ($4.1 to $4.4 billion) with projected spending when the project is actually constructed sometime in the late 2020s or beyond. Earlier estimates have been quoted in older dollars at correspondingly lower projected total cost.
Of the increase, $300-400 million is due to the selection of the Pape/Eastern alignment which makes for a longer route. Roughly $2 billion is due to inflation between the 2016 estimates and the likely period of construction.
An interesting observation in the report is that the benefits case methodology confers a substantial value to reduction of travel time. However, the RL’s primary effect is not intended to speed riders from the outer suburbs to downtown, but to improve flows through the network, especially on the initial downtown-to-Pape phase. Therefore, a significant component of some “benefit” estimates – travel time savings – is not available to the Relief Line despite the major contribution it brings to network behaviour and the expansion potential it creates.
It is important to note that the focus in the Metrolinx business case guidance is on travel time savings benefits and benefits associated with reduction in auto-use. As a result, there are several key benefits associated with local transit and city building objectives that are not monetized in this economic evaluation. Further work is required in the development of the business case tool to ensure the economic evaluation includes the monetization of the types of benefits expected from transit expansion projects which provide a more local service. [p 33]
This begs the question of whether the traditional “benefit analysis” which does contain a travel time saving component truly presents the “value” of new transit lines, or if it is skewed to reward projects serving longer commuter-type trips and the infrastructure they require.
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