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1. Scarborough Subway Extension
StakeholderAdvisory Group
June 6, 2016
Transportation Planning Section | City Planning Division
Toronto Transit Commission

2. Today’sAgenda
1. Updateontransitinitiatives underway
2. ScarboroughSubwayExtension
3. NextSteps
4. Questions
2

3. Feb
2016
• City, in partnership with TTC, worked with Metrolinx on the
integration of SmartTrack and GO/RER
• Four options for SmartTrack/GO RER were assessed.
• Options A and B were ruled out due to increased costs and
significant community impacts
Mar
2016
• Council directed staff to focus work on options C and D
May/
June
2016
• Public consultation on SmartTrack and RER Integration
• Report to Executive Committee and Council on evaluation
progress
Next
Steps
• Continue collaboration with Metrolinx on development of
preferred alignment and station locations for SmartTrack Options
C and D
SmartTrack /GO RER
3
SmartTrack Option C
• 7 to 8 new stations
• Kitchener and Stouffville
through service
SmartTrack Option D
• 4 to 5 new stations
• Kitchener and Stouffville
through service
SmartTrack/GO RER will help relieve many of the transit network’s
capacity limitations, which currently affect many parts of the City,
including the subways serving Downtown, the SRT in
Scarborough, streetcar routes east and west of the downtown and
individual bus routes throughout the City.
Particularly, it will help relieve overcrowding on the Yonge Subway
line and address congestion at Bloor-Yonge station.

4. Jan
2016
• Feasibility study of SmartTrack Western Corridor options
recommended optimizing Phase 2 of the Crosstown
LRT, approved in 2009
Mar
2016
• City Council directed staff to remove the heavy rail
option and work with Metrolinx to optimize the approved
Environmental Assessment for Eglinton West LRT
• Six options assessed for further consideration
May/
June
2016
• Public consultation on emerging preferred LRT
alignment and station locations
SmartTrack – Eglinton West Corridor
4
Next Steps
• Continue to work with
Metrolinx to optimize the
approved Environmental
Assessment for Eglinton West
LRT
• Develop Business Case
Part of the SmartTrack concept is connecting the Mississauga
Airport Corporate Centre (MACC) to other important
employment districts, including downtown Toronto.
A western extension of the Crosstown LRT to MACC and
Pearson International Airport would improve access to these
important destinations.

5. Eglinton East LRT
Sept
2009
City Council approved the
recommendations of the Scarborough-
Malvern LRT Transit Project
Assessment
Jan
2016
Executive Committee endorsed refined
transit priorities reintroducing the
Eglinton East LRT, a modification of the
Scarborough-Malvern LRT.
March
2016
City Council endorsed further study of
the Eglinton East LRT
• Up to 18 stops over 11km line
• Improved reliability
• 2 connections to GO RER (Eglinton &
Guildwood)
Next Steps
July 2016: Report to Council, Seek
authority to proceed with amendment to
Environmental Assessment
Summer 2016: Technical analysis to
amend Environmental Assessment
The Eglinton East LRT would extend the
Crosstown east along Eglinton Avenue
East, Kingston Road and Morningside
Avenue to the University of Toronto,
Scarborough Campus, to improve
transportation access along the Avenues
and in Neighbourhood Improvement
Areas.

6. Fall 2015 –
Winter 2016
Pape to Queen corridor emerges as preferred corridor due to engineering feasibility and
ease, connection to key destinations and ability to meet largest number of city-building
objectives (i.e. Feeling Congested? Evaluation Criteria)
March 2016 City Council approves preferred corridor for Relief Line: Pape to Downtown via
Queen/Richmond.
March - May
2016
Analysis of alignment options.
Relief Line
6
Emerging preferred alignment ‘Pape to
Downtown via Eastern’
• Allows direct connection to Yonge-University Line
• Supports development
• Better supports Feeling Congested? criteria
Next Steps
July 2016: Report to Council, Seek authority to
launch TPAP (EA)
Summer 2016: Initiate TPAP
The Relief Line would be a new subway connecting downtown to Line 2 east of the Don River. It
would assist in relieving crowding on the Yonge Subway line and the Bloor-Yonge interchange
station as well as provide riders with more travel options.

7. Waterfront Transit “Reset”
The Waterfront Reset will:
Provide high quality transit that will integrate waterfront communities, jobs, and destinations and
link the waterfront to the broader City and regional transportation network
Phase 2, subject to City Council approval, would consider:
 Advancing feasibility studies (including but not limited to demand forecasting, operational assessment(s), further
developed cost estimates);
 Potential Environmental Assessment(s) or amendments to existing Environmental Assessment(s);
 Pursuing the implementation of short term strategic improvements that minimize long term throwaway costs; and
 Advancing a Business Case and pursuing funding opportunities.
Phase 1 will identify reasonable
alternative concepts for a waterfront transit
solution.
Findings will be reported to Council in July,
including:
• Development and analysis of ‘Concept
Families’
• Preliminary evaluation of solutions to
create a complete transit network
solution for the Waterfront

8. Scarborough Subway Extension
8

9. Background
In January 2016, Toronto’s Executive Committee endorsed
refined priorities for transit in Scarborough:
1. Support the development of Scarborough Centre as a vibrant urban
node
2. Support the development of complete communities along the Avenues
and improve local accessibility
To address these transit priorities, City Council provided direction
on an optimized transit plan for Scarborough on March 31, 2016
9

10. Optimizing the Extension
10
To support the transit priorities for
Scarborough, optimizing the subway
extension into an express subway
includes:
• Removing Lawrence Station between
Kennedy Station and Scarborough
Centre;
• Ending at Scarborough Centre rather
than Sheppard Avenue East; and
• Re-routing buses to the potential
Lawrence East SmartTrack station
and Kennedy Station
These changes to the Scarborough
Subway Extension would result in a
significant reduction in construction and
operating cost with only a small
reduction in transit accessibility

11. Work to Date
11
• Alignment options for an express
subway extension have been studied
• Station concepts for Scarborough
Centre including bus terminals and
other elements are being developed
• Cost estimates (ongoing)
• Modelling
– Accessibility
– Travel demand
Optimized Concept

12. Alignment Re-evaluation
12
• Express subway extension alignment
has been re-evaluated due to shift in
project parameters
• Corridor options for express subway:
– SRT corridor
– Midland Corridor
– Brimley Corridor
– McCowan Corridor
• Evaluation focusing on:
– Supporting growth of Scarborough
Centre (including potential future
extensions)
– The impact of SRT closure
– Property Impacts
– Costs Possible Express Subway Corridors

13. Station Locations
13

14. Serving People - Experience
SRT Midland Brimley McCowan
◔ ◕ ◑ ●
14
• McCowan offers the shortest travel time and the
best passenger comfort due to fewest curves

15. Serving People - Choice
SRT Midland Brimley McCowan
◕ ◕ ◕ ●
15
• Station location associated with SRT, Midland
and Brimley offer better opportunities for bus
transfers and commuter parking
• Line 3 would need to be torn down during
construction of SRT, Midland or Brimley
• McCowan allows Line 3 to remain in operation

16. SRT Closure
16
• If SRT was closed, service would be
replaced by buses
• Replacement would be for duration
of subway construction, estimated at
5-6 years
• 63 buses, temporary bus terminals
and storage would be required
• Buses would stop at Lawrence
Avenue
• Average delay for transit riders would
be 6.4 minutes/trip
Replacement Buses During SRT Closure

17. Strengthening Places – Healthy Neighbourhoods
SRT Midland Brimley McCowan
◔ ● ◕ ◑
17
• Midland alignment would have the least
significant property impacts
• SRT alignment would have the most significant
property impacts

18. Supporting Prosperity– Supports Growth
SRT Midland Brimley McCowan
● ● ● ◑
18
• Initial station on McCowan alignment is slightly
better at encouraging growth in Scarborough
Centre than the initial station on the other
alignments
• SRT, Midland and Brimley alignments offer the
opportunity to provide a future second station in
the McCowan Precinct

19. Supporting Prosperity–Affordable
SRT Midland Brimley McCowan
◑ ◕ ◕ ●
19
• McCowan alignment is the least expensive, and
has fewer risks associated with constructability

20. Preferred Corridor - McCowan
20
The feedback and technical analysis
support McCowan as the preferred
corridor:
• SRT remains operational during
construction
• Received strong public support
• Least constructability/ infrastructure
impacts = reduces risks to costs
• Connection across both sides of
Scarborough Centre with one station
Preferred Express Subway Corridor

21. Scarborough Centre Station Concept
• The bus terminal for
Scarborough Centre Station
is currently being designed
• The terminal will
– Integrate with existing and
future development around
the station
– Support the growth and
development of Scarborough
Centre
– Offer convenient transit
access to pedestrians and
cyclists
21

22. Construction
• The alignment will be constructed
with tunnel boring machines, with
cut and cover used around
Scarborough Centre Station and
Kennedy Station
• Also included:
– Emergency exit buildings
– Tunnel ventilation
– Traction power substations
22

23. Tunnelling Work Sites
• Sites near Scarborough Centre Station and McCowan/Ellesmere are needed to:
– Launch or maintain the tunnel boring machine
– Temporary storage of concrete tunnel liner segments
– Temporary stockpiling and haulage of excavated soil
– Storage of other equipment and material
– Location of construction trailers
• Five options for location at McCowan/Ellesmere
– Consultation with property owners, including Parks, Forestry and Recreation is
ongoing
23

24. Travel Demand in 2031
24
Express subway extension compared with other TTC subway
terminus stations
AM Peak Hour Boardings All day Boardings
Finch Station 16,500 59,700
Scarborough
Centre
7,300 31,000
Kipling 6,000 27,000
• Scarborough Centre Station is expected to perform well and serve a
comparable number of riders to other terminal stations
• Note: Finch Station serves too many riders – resulting in overcrowding
further down the line
Travel demand modelling assumes SmartTrack Option C

25. Travel Demand in 2031
25
Comparing ridership between 3-stop and Express:
Peak hour
ridership
(Westbound, East of Kennedy)
Peak Hour Opposite
Direction Ridership
(Eastbound, east of Kennedy)
New Transit
Riders
Express Subway
Extension
7,300 2,900 4,500
3-stop Subway
Extension
11,100* 3,200 3,100
* Note: Peak hour ridership reported in March, 2016 (approximately 14,000) assumed no SmartTrack
• Express subway provides more benefit to more people – making transit the
better way for them – than the 3-stop subway

26. Next Steps
26
May/June 2016 • Public and stakeholder consultations
• Continue to refine technical work and business cases on
current transit initiatives
June/July 2016 • Report to Executive Committee and Council
‒ Report on full range of transit projects, seeking authority for
next steps
‒ Will be seeking authority to proceed to TPAP on
Scarborough Subway
Summer/Fall 2016 • Transit Project Assessment Process for Scarborough
Subway (subject to Council direction)
‒ Consultation in the fall
Winter 2017 • Undertake Feeling Congested? review for priority
projects
• Report to Executive Committee and Council on transit
project prioritization

27. Questions
27