TRB's National Highway Cooperative Research Program (NCHRP) Synthesis 213: Effective Use of Park-and-Ride Facilities examines the current status of park-and-ride facilities in the United States. The various aspects of park-and-ride facilities, including conceptual issues, location, design, administration, operation, maintenance, and other supporting elements are addressed in this synthesis. The report also provides information on the current usage of park-and-ride facilities throughout the nation, operating and maintenance practices at selected sites, descriptions of safety and security measures used at various facilities, and the relationship of ridesharing and travel demand management programs to the success of park-and-ride facilities.  The report for this topic can be purchased at https://www.trb.org/news/blurb_detail.asp?id=3344