The report provides a suite of recommended strategies to reduce single-occupant vehicle traffic in the urban areas of Phoenix and Tucson, Arizona, which are presented as a travel demand management toolbox. The toolbox includes supporting research on how to deliver, monitor, and fund implementation of the strategies, and a framework for the development of performance measures to assess their effectiveness. The research effort included studies of travel behavior in Phoenix and Tucson, reviews of best-practice measures nationally, and those in use in Arizona today, and interviews with local and national TDM professionals.