This paper describes the content, objectives, and status of the U.S. Dept. of Transportation's Urban Mass Transportation Administration's Urban Rapid Rail Vehicle and Systems Program (URRVS). The URRVS Program includes the following separate but interrelated programs: 1.BART Monitor. 2.State-of-the-Art Cars (SOAC). 3.Advanced Concept Train (ACT-1). 4.Advanced Subsystems Development Program (ASDP). 5.Advanced Concept Train Future Planning (ACT-3).