Introduces researchers and developers to the most popular technologies and systems for location estimation and the challenges and opportunities that accompany their use. For each technology, the authors discuss the history of its development, the various systems that are based on it, and their trade-offs and their effects on cost and performance.

The 1995 National Conference on Light Rail Transit (LRT), "Building on Success--Learning from Experience", emphasizes the lessons resulting from the maturing of North American LRT systems. The conference adds to the growing body of knowledge and real-world experiences with modern LRT applications. Volume 1, contains 36 conference papers, organized in four parts. Volume 2, contains both conference papers and associated papers presented at the 1996 Annual Meeting of the Transportation Research Board in Washington, D.C.