^ a b c d 'Chapter 1.0 - Purpose and Need', Westside Transit Corridor Extension Study: Final Alternatives Analysis Study (pdf), Los Angeles County Metropolitan Transportation Authority, January 2009, pp. 1–18, retrieved September 28, 2012.^ a b 'Bombardier Partners with Atlanta to Improve Track Worker Protection with TrackSafe Technology' (Press release).Metropolitan Atlanta Rapid Transit Authority. ^ 'About MARTA: MARTA's Past & Future'.^ 'Rider recalls first day of BART passenger service on Sept.^ a b 'SEPTA Operating Facts Fiscal Year 2013' (pdf).Southeastern Pennsylvania Transportation Authority (SEPTA) Service Planning Department. ^ 'SEPTA Route Statistics 2014' (PDF).^ 'Facts & Info - PATH - The Port Authority of NY & NJ'.^ a b 'Greenhouse Gas (GHG) and Criteria Air Pollutant (CAP) Emission Inventory (EI) for the Port Authority of New York & New Jersey: 2008 Summary and 2006-2008 Trends' (pdf).Archived from the original (pdf) on Septem. Massachusetts Bay Transportation Authority. ^ a b c 'Ridership and Service Statistics, Fourteenth Edition 2014' (PDF).Washington Metropolitan Area Transit Authority. Metropolitan Transportation Authority (MTA). ^ a b c 'The MTA Network - New York City Transit at a Glance'.^ a b c d 'Comprehensive Annual Financial Report for the Years Ended Decemand 2017' (PDF).American Public Transportation Association. ^ a b 'Transit Ridership Report Fourth Quarter 2022' (PDF).Greater Cleveland Regional Transit Authority Staten Island Rapid Transit Operating Authority Los Angeles County Metropolitan Transportation Authority Metropolitan Atlanta Rapid Transit Authority Southeastern Pennsylvania Transportation Authority

( Broad Street, Market–Frankford, and Norristown High Speed Lines) Port Authority of New York and New Jersey Massachusetts Bay Transportation Authority Washington Metropolitan Area Transit Authority

The data is provided by the American Public Transportation Association's Ridership Reports. line transfers on multi-line systems register as separate trips). All ridership figures represent 'unlinked' passenger trips (i.e. It does not include statistics for bus or light rail systems (see: List of United States light rail systems by ridership for the latter). The following is a list of all heavy rail rapid transit systems in the United States. See also: List of North American rapid transit systems by ridership

Miami transit bus