National Cooperative Highway Research Program: Compilation of Public Opinion Data on Tolls and Road Pricing - Fall 2008
Caltrans: I-680 SOUTHBOUND EXPRESS LANE PROJECT (Widening/Rehabilitation/ HOV/HOT) - Fall 2008
Transportation for Tomorrow - National Surface Transportation Policy and Revenue Study Commission - December 2008
Metropolitan Transportation Commission HOT Lanes Study Final Report - September 2007
Metropolitan Transportation Commission HOT Lanes Study Final Report Appendices - September 2007
University of Minnisota: MnPass Attitudinal Study Final Report - August 2006
Washington State Department of Transportation: SR 167 HOT Lanes Pilot Project Analysis - November 2003
Deloitte Research: Combating Gridlock: How Pricing Road Use Can Ease Congestion - November 2003
Cal Poly San Luis Obispo: Continuation Study to Evaluate the Impacts of the SR 91 Value-Priced Express Lanes - December 2000
Cal Poly San Luis Obispo: Evaluating the Impacts of the SR 91 Variable-Toll Express Lane Facility Final Report - May 1998