Paul M. Weyrich & William S. Lind, The Free Congress Foundation, Washington oct. 2003, 31 p.



« / » https://www.apta.com/wp-content/uploads/AmericanOpportunityInfrastructureBrochure.pdf
« / » https://entfkent.org/wp-content/uploads/2020/09/10-reasons-conservatives-should-support-transit.pdf
« / » https://www.vtpi.org/tranben.pdf
« / » https://www.nidirect.gov.uk/articles/using-public-transport
« / » https://pirg.org/edfund/wp-content/uploads/2012/02/Why-and-How-to-Fund-Public-Transportation.pdf
« / » https://rosap.ntl.bts.gov/view/dot/14129
« / » https://are.berkeley.edu/~mlanderson/pdf/Anderson_transit.pdf
« / » https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=1144&context=trec_reports
