1. Stanley, Funding Public Transportation.
2. Surface Transportation Policy Project, From the Margins to the Mainstream (Washington, D.C.: STPP, January 2006), 33.
3. Eno Transportation Foundation, Transportation Investment and New Insights in Economic Analysis (Washington, D.C.: Eno Transportation Foundation, Feb. 23, 1999), 1.
4. American Public Transportation Association, Media Facts, retrieved May 16, 2006, www.apta.com/media/facts.cfm; TRIP, National Fact Sheet (Washington, D.C.: TRIP, November 2005), www.tripnet.org/nationalfactsheet.htm.
5. APTA, Media Facts.
6. Eno Transportation Foundation, Transportation Investments, 13.
7. Ibid.
8. Ibid.
9. The Eno Transportation Foundation study was the result of a policy forum to improve the tools of economic analysis relating to transportation investment and to explore how to better communicate such information to policymakers and the public.