• Democratic Caucus of the Pennsylvania House of Representatives, "For Whom the Road Tolls: Corporate Asset of Public Good, an Analysis of Financial and Strategic Alternatives for the Pennsylvania Turn-pike," by John Foote, Gary J. Gray, and Patrick J. Cusatis, http://www.pahouse.com/docs/For%20Whom%20the%20Road%20Tolls%20Final%202-23-081_FINAL.pdf
• Reason Foundation, "Pennsylvania Turnpike Alternatives: A Review and Critique of the Democratic Caucus Study," Policy Brief No. 70, http://www.reason.org/pb70.pdf%20%20
• Commonwealth Foundation for Public Policy Alternatives and the Reason Foundation, "Pennsylvania Turn- pike: Frequently Asked Questions and Answers," Policy Brief Vol. 20, No. 02, http://www.reason.org/faq_paturnpikelease.pdf