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GIS APPLICATIONS IN URBAN PUBLIC TRANSPORTATION: A CASE STUDY OF TRI-MET, PORTLAND, OREGON

Kenneth Dueker, R Vrana

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Abstract

Applying GIS technology to urban public transportation involves identifying the requirements of several application areas, adopting an integration strategy based on a common representation of system geography, and evaluating the analytical and data modeling contributions of a number of GIS vendor products. This paper summarizes the incremental experience of the Tri-County Metropolitan Transportation district of Oregon (Tri-Met), as it prepares to implement a comprehensive geographic data management strategy with database integration using GIS around a modified version of the TIGER line files. This research identifies opportunities to increase the consistency among databases supporting diverse applications and to reduce the duplication of separate application database updates.

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What this paper is about

Applying GIS technology to urban public transportation involves identifying the requirements of several application areas, adopting an integration strategy based on a common representation of system geography, and evaluating the analytical and data modeling contributions of a number of GIS vendor products. This paper summarizes the incremental experience of the Tri-County Metropolitan Transportation district of Oregon (Tri-Met), as it prepares to implement a comprehensive geographic data management strategy with database integration using GIS around a modified version of the TIGER line files. This research identifies opportunities to increase the consistency among databases supporting diverse applications and to reduce the duplication of separate application database updates.

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Available abstract

Applying GIS technology to urban public transportation involves identifying the requirements of several application areas, adopting an integration strategy based on a common representation of system geography, and evaluating the analytical and data modeling contributions of a number of GIS vendor products. This paper summarizes the incremental experience of the Tri-County Metropolitan Transportation district of Oregon (Tri-Met), as it prepares to implement a comprehensive geographic data management strategy with database integration using GIS around a modified version of the TIGER line files. This research identifies opportunities to increase the consistency among databases supporting diverse applications and to reduce the duplication of separate application database updates.

Key concepts: Geographic information system, Metropolitan area, Consistency (knowledge bases), Vendor, GIS and public health, Transport engineering, Public transport, Database

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