Vancouver sub-forumer Officedweller posted a link to a fascinating and rarely-public technical document: the alternatives analysis summary and update for the second phase of the rapid transit to UBC project. Phase two has been approved by the Mayors Council but is awaiting funding in the third phase of the Mayor's 10 Year Vision for transit.
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Originally Posted by officedweller
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As a refresher on the Broadway Subway project, Phase 1 is approved, fully funded under Phase 2 of the Mayors Council 10-Year Vision, and is currently in the RFQ tendering stage with preparatory pre-construction work underway.
Phase 1 of the Broadway Subway is a 5.7-kilometre line that will extend the existing SkyTrain Millennium Line system seamlessly from VCC-Clark Station to a new terminus station at Arbutus Street, to serve the most congested section of the Broadway Corridor (the second largest employment center in British Columbia).
Construction of the subway will mostly involve tunneling starting in 2020, with the new extension opening in 2025.
Phase 1 will cost $2.83 billion, funded and delivered by the Government of B.C., with contributions from the Government of Canada and the City of Vancouver. The Broadway Subway (phase 1) project is a key part of the rapid transit program in Metro Vancouver’s Mayors’ Council 10-Year Vision. The Vision is funded by the governments of B.C. and Canada, TransLink, and local municipalities.
Source
Source
Translink Broadway Subway project page
Provincial government project page
City of Vancouver Broadway Subway project page
Phase 2 of the Broadway Subway will extend the line from Arbutus St to UBC (the third largest employment center in British Columbia). The Mayor's Council selected the 'Rail Rapid Transit' option (continuation of the SkyTrain Millennium Line from its future Arbutus Street Phase 1 terminus to the UBC campus). The estimated cost for Phase two is $3.2-3.7B, though for an apples to apples comparison with the LRT option, this includes a new $190M operations and maintenance centre (OMC). It is anticipated that this OMC capacity will be actually be delivered through incremental expansion of the existing SkyTrain OMCs with its own separate funding program, meaning that the direct cost of the project is estimated to be $3-3.5B. As noted, this is not yet funded, but it is approved and is the highest funding priority for Phase 3 of the the Mayors Council 10-Year Vision.