American Public Transportation Association
http://www.apta.com
Bus Rapid Transit Central
http://www.busrapidtransit.net
Bus Rapid Transit Policy Center
http://www.gobrt.org
Calstart/WestStart
http://www.calstart.org
Center for Transportation Studies
http://www.cts.umn.edu
Federal Transit Administration
http://www.fta.dot.gov/brt
Institute for Transportation & Development Policy
http://www.itdp.org/news/BRT_English.html
Institute of Transportation Studies
http://www.its.berkeley.edu
National BRT Institute
http://www.nbrti.org
Transportation Research Board
www.nationalacademies.org/trb/