The report provides information on  TDM programs nationwide and identifies examples of successful implementation and support of TDM programs by state departments of transportation (DOT) . Key elements of the report in include results of  a survey of state DOTs to determine their role in TDM programs and a set of case studies illustrating the different roles that state DOTs can play to encourage TDM. This report includes the following sections:

• A summary of results and research findings from the nationwide survey and the five case studies.    
• A primer on TDM based on our research.
• The detailed results of the nationwide survey.
• A set of case studies, detailing the wide range of ways that state DOTs encourage TDM services.

This research will help state DOTs interested in incorporating TDM strategies into a variety of programs and plans to understand the potential roles of the state DOT and the breadth and depth of TDM options.  

Status:  Final report has been completed and published as NCHRP Research Results Digest 348