Atlanta | Boston | Chicago | Las Vegas | Los Angeles | Miami | Montréal | New York City | San Jose | Toronto | Vancouver
Note that projects currently under construction are noted on that page. Use the feedback form at the end of the page to suggest updates.
- Atlanta
- Westline Metro and BRT
- 1.5-mile route would extend existing MARTA East-West Line rail service west along MLK Boulevard from current terminus at Hamilton Holmes Station to new station at Adamsville and I-285; BRT service would run in I-20 from Hamilton Holmes Station to Baker Hill (just outside of the city of Atlanta), via Adamsville
- Funding is not yet dedicated
- Westline Metro and BRT
- Boston
- Red/Blue Lines Connector
- 0.4 mile extension of existing Blue Line would bring trains from terminus at Bowdoin to the Charles/MGH station on the Red Line, allowing direct transfers between the two lines, something not currently possible
- Project’s construction has yet to be funded, but is being designed by Boston’s MBTA
- Relevant article on the Transport Politic: MBTA Moves Forward with Blue Line Extension Planning, 28 July 2009.
- Red/Blue Lines Connector
- Chicago
- Circle Line Metro (possible BRT)
- 9 to 15-mile new line connecting all existing Chicago “El” Lines in a sort of outer “loop;” though alignment has not yet been defined, if using metro technology, it would run partially on existing track and partially on new track, with a few new stations mixed in; if using BRT technology, it would run entirely in a new right-of-way
- Currently undergoing local review process; exact route not yet defined – earliest construction start would be 2012
- Relevant article on the Transport Politic: Chicago Planners Pinpoint Scaled-Back Locally Preferred Alternative for Circle Line, 9 October 2009.
- Red Line Metro
- Extension of existing Red Line metro route south from 95th Street/Dan Ryan Expressway to around 130th Street; if BRT, it would be a new line with a connection to existing service
- Currently undergoing local review process; earliest construction start would be 2012
- Relevant articles on the Transport Politic: Chicago Recommends Red Line Extension Route, 5 June 2009; Chicago Moves Forward With Three Rapid Transit Extensions, 13 August 2009.
- Orange Line Metro
- Short extension of existing Orange Line metro south from current terminus at Midway Airport to Ford City Mall; if BRT, it would be a new line with a connection to existing service
- Currently undergoing local review process; earliest construction start would be 2012
- Yellow Line Metro
- Short extension of existing Yellow Line metro north from current terminus at Skokie to the Old Orchard Area; if BRT, it would be a new line with a connection to existing service
- Currently undergoing local review process; earliest construction start would be 2012
- Circle Line Metro (possible BRT)
- Las Vegas
- Las Vegas Monorail Extension
- 4.2-mile extension of existing line would extend the route from the MGM Grand Station to the Las Vegas Airport
- This line was supposed to be completed by 2011 and funded by private sources, but the real estate crisis, which has affected Las Vegas particularly strongly, may make this project impossible to complete
- Las Vegas Monorail Extension
- Los Angeles
- Wilshire/Santa Monica Metro – 2018 – Partially Funded
- Line would act as an extension of existing Purple Line Metro from the Wilshire/Western Station and possibly as an extension of the existing Red Line Metro from the Hollywood/Highland Station; the route of the line would generally follow Wilshire Boulevard and possibly Santa Monica Boulevard, providing service to West Hollywood, Beverly Hills, the Miracle Mile, Century City, West L.A., and Santa Monica, where it would terminate
- Trains would be either in a subway or above in an elevated structure; projected ridership on Red and Purple lines of between 270,000 and 290,000 daily depending on routing chosen
- Project is currently undergoing study; exact routing is not yet determined
- Construction likely to being in 2012
- Relevant articles on the Transport Politic: Measure R, Los Angeles Transit, 29 October 2008; Villraigosa Campaigns for Westside Subway’s Completion in Ten Years, 21 August 2009; Los Angeles Has Big Transit Ambitions, But Which Project Comes First? 22 October 2009.
- Wilshire/Santa Monica Metro – 2018 – Partially Funded
- Miami
- North Line Metro (Orange Line Phase II) – 2017 – Partially Funded
- 9.5-mile extension of existing MetroRail from the MLK Station at 62nd Street north to 215th Street
- Project received a “medium-low” rating from FTA and therefore its funding from Washington is in some jeopardy
- Construction likely to begin in 2011
- East-West Line Metro (Orange Line Phase III) – 2016 – Partially Funded
- 10 to 13-mile extension of existing MetroRail from Miami Intermodal Center to SW 137th Avenue, via Florida International University
- $2.3 billion cost
- Construction likely to begin in 2013
- North Line Metro (Orange Line Phase II) – 2017 – Partially Funded
- Montréal
- Métro Expansion — Yellow, Blue, and Orange Lines – 2020
- 5 km Extension of the Yellow Line further into Longueuil
- 5 km Extension of the Blue Line from Saint-Michel to Anjou (first to be built)
- 10 km Extension of the Orange Line from Côte-Vertu to Montmorency, making the line a full loop
- Construction could begin in 2012
- Relevant article on the Transport Politic: Montréal and Québec Leaders Announce Irreversible Decision to Expand Métro, 18 September 2008.
- Métro Expansion — Yellow, Blue, and Orange Lines – 2020
- New York City
- Second Avenue Subway Phases II-IV – 2025
- 6.5-mile extension of currently under construction Phase I of Second Avenue Subway (from 72nd to 96th Streets); would run north-south from 125th Street to 96th Street and from 72nd Street to Hanover Square, via East Midtown, the East Village, Chinatown, and the South Street Seaport; connections to 4, 5, 6, and Metro-North trains at 125th Street, E and V trains at 55th Street, to 4, 5, 6, 7, S, and Metro-North trains at 42nd Street, to L trains at 14th Street, to F trains at Houston Street, and to B and D trains at Grand Street
- Phase II is from 96th Street to 125th Street (this would also serve as an extension of the Broadway Q line); Phase III is from 72nd Street to Houston Street; Phase IV is from Houston Street to Hanover Square
- $13 billion; funding is not yet secured
- construction could begin at the earliest in 2015
- Relevant articles on the Transport Politic: Rethinking the Second Avenue Subway – 125th Street, 5 November 2008; Rethinking the Second Avenue Subway – the East Village, 6 November 2008.
- Lower-Manhattan to JFK Metro (or CR)
- Project would connect Lower Manhattan and JFK International Airport in Queens
- Though project was to be funded by September 11 Reconstruction funds, that money has dried up in the face of escalating costs on other projects
- Alternatives could include service along existing LIRR Atlantic Line, and then connection via a new tunnel to Lower Manhattan (this could potentially also be an extension of the Second Avenue Subway’s Phase IV); the existing Montague Tunnel used by A Line Subway Trains could be taken for the use of these trains
- Second Avenue Subway Phases II-IV – 2025
- San Jose
- BART metro to Silicon Valley – 2018 – FUNDED
- 16.1-mile extension of BART Warm Springs line, running south, west, and north again to Santa Clara, via Downtown San Jose; connections to VTA LRT at Montague/Capitol, Alum Rock, and Downtown San Jose; connections to Caltrain at Santa Clara and Diridon/Arena; connection to San Jose Airport People Mover at Santa Clara; connections to Altamont Commuter Express at Santa Clara and Diridon/Arena
- 90,000 projected daily riders
- $6 billion cost
- Construction is likely to begin in 2010
- Relevant article on the Transport Politic: BART to Silicon Valley Likely Delayed, 1 March 2009.
- BART metro to Silicon Valley – 2018 – FUNDED
- Toronto
- Spadina Subway Extension – 2015 – FUNDED
- 5.3-mile extension of existing Yonge-University-Spadina line from Downsview Station to Vaughan Corporate Center, via York University, leaving the City of Toronto to enter York Region
- $2.6 billion (Canadian) cost
- Construction likely to begin in 2010
- Yonge Subway Extension – 2017 – FUNDED
- 4.2-mile extension of existing Yonge-University-Spadina line, from Finch Station to Richmond Hill Centre, exiting City of Toronto to enter York Region
- $2.4 billion (Canadian) cost
- Construction likely to begin in 2012
- Scarborough RT Extension Metro or LRT – Partially Funded
- Extension of existing route from McCowan Station to the Northeast
- Entire route may be converted from Metro operation to LRT service as part of the extension
- $1.2 billion (Canadian) cost
- Construction likely to begin in 2012
- Spadina Subway Extension – 2015 – FUNDED
- Vancouver
- Evergreen Line SkyTrain – 2014 – FUNDED
- 6.8-mile extension of existing Millennium SkyTrain Line, running northeast from Longheed Town Centre to Coquitlam Town Centre, via Port Moody
- 22,900 projected daily riders
- $1.4 billion (Canadian) cost
- Construction likely to begin in 2010
- Relevant article on the Transport Politic: Vancouver Faces Major Funding Gap, 31 July 2009.
- UBC/Broadway Line SkyTrain – 2020 – Partially Funded
- New line, running from Commercial Drive to the University of British Columbia
- $2.8 billion (Canadian) cost
- Construction likely to begin in 2014
- Evergreen Line SkyTrain – 2014 – FUNDED

















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