George Mason University Schar School of Policy and Government
http://schar.gmu.edu
Virginia Office of Transportation Public-Private Partnerships
http://www.vappta.org/
National Council for Public-Private Partnerships
http://www.ncppp.org/
The American Road & Transportation Builders Association
http://www.artbap3.org/
FHWA Office of Innovative Program Delivery
http://www.fhwa.dot.gov/ipd/
AASHTO Center for Excellence in Project Finance
http://www.transportation-finance.org/
European PPP Expertise Center (EPEC) of the European Investment Bank
http://www.eib.org/epec/
Stanford University Global Projects Center
https://gpc.stanford.edu/
Cornell Program in Infrastructure Policy
https://www.human.cornell.edu/pam/cpip/
OECD Network of Senior Public-Private Partnership Officials
http://www.oecd.org/gov/budgeting/ppp.htm