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Research Reports

Automatic Transit Location System

Description: This project provides a state-of-the-art review of Automatic Vehicle Location (AVL) technologies which highlights King County METRO Transit's AVL System. This project further demonstrated the use of real-time transit information derived from the Metro AVL system to produce a prototypical display of real-time transit coach locations suitable for wide area Advanced Traveler Information System (ATIS) use. This project demonstrated the viability of combining multi-agency data with different technology roots in a single development environment that encourages interagency collaboration in the creation of ITS applications and services. This was accomplished in a rich and flexible development environment, created at the University of Washington and used to leverage a proprietary AVL system to a public ATIS prototype.

  • Date Published: February, 1996
  • Publication Number: WA-RD 394.1
  • Last Modified: November 14, 2007
  • Authors: Daniel J. Dailey, Mark P. Haselkorn, Kelcie Guiberson, Po-Jung Lin.
  • Originator: Washington State Transportation Center (TRAC)
  • # of Pages: 54 p., 2,701 KB (PDF)
  • Subject: Advanced traveler information systems, Automatic vehicle location, Intelligent transportation systems, Prototypes, Public transit, Real time information, State of the art studies.
  • Keywords: Automatic Vehicle Location, GPS, dead reckoning, distributed computing, digital maps, networking, ITS backbone, ITS architecture, development environment, King County (Wash.)
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This abstract was last modified April 29, 2008