Washington Metropolitan Area Transit Authority's (WMATA) SmarTrip® Regional Customer Service Center 02/02/2004
Assessment of the Denver Regional Transportation District Automatic Vehicle Location System 08/02/2000
Evaluation of the Advanced Operating System of the Ann Arbor Transportation Authority: Cost Study: Before, During and After AOS Implementation 10/02/1999
Assessment of the Denver Regional Transportation District Automatic Vehicle Location System 08/02/2000