Geographic Information Systems Applications in Transit (2004) / Chapter Skim
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30 CHAPTER FIVE CASE STUDIES OF GEOGRAPHIC INFORMATION SYSTEM IMPLEMENTATIONS IN LARGE TRANSIT AGENCIES This section describes the implementation of GIS in each of the five transit agencies visited for the case studies. Each case study describes the GIS program in terms of organization, geospatial data management, linear data management, and GIS services.
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31 TABLE 13 NJ TRANSIT: SUMMARY OF GIS DATA GIS Data Maintained by GIS Department Maintained by Internal Business User Maintained by External Agency Data Format Database Software Used Bus Routes x DGN Oracle Spatial Bus Stops x DGN Oracle Spatial Stop Amenities x Attributes of DGN Oracle Spatial Timepoints x DGN Oracle Spatial Transit Centers Park & Ride x DGN N/A Light Rail Alignment and Stops x DGN Oracle Spatial Landmarks x NAVTEQ Transit Boundary ADA Boundary x DGN Oracle Spatial Transit Facility Locations x DGN Oracle Spatial Traffic Signals TAZ Boundaries x DGN, TransCAD Oracle, TransCAD Census Data x Accidents and Incidents Customer Complaints Political Boundaries x Census and NAVTEQ Oracle Notes: DGN = Design File; N/A = not available; ADA = Americans with Disabilities Act; TAZ = traffic analysis zone. process of developing web–GIS applications.
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32 ages of all 12 rail lines will provide a very accurate and comprehensive database of rail facilities and features. The agency is looking to develop a number of applications for maintenance and management of the rail infrastructure and to support incident response efforts with spatial data.
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33 FIGURE 10 CTA data services organizational structure. TABLE 14 CTA: SUMMARY OF GIS DATA GIS Data Maintained by GIS Department Maintained by Internal Business User Maintained by External Agency Data Format Database Software Used Bus Routes x ESRI Geodatabase Oracle 9i with SDE Bus Stops x Geodatabase Oracle 9i with SDE Stop Amenities x Geodatabase Oracle 9i with SDE Timepoints x Geodatabase Oracle 9i with SDE Transit Centers x Geodatabase Oracle 9i with SDE Park & Ride x Geodatabase Oracle 9i with SDE Light Rail Alignment and Stops x Geodatabase Oracle 9i with SDE Landmarks Transit Boundary x Geodatabase Oracle 9i with SDE ADA Boundary x Geodatabase Oracle 9i with SDE Transit Facility Locations x Geodatabase Oracle 9i with SDE Traffic Signals x Shapefile TAZ Boundaries x Shapefile Census Data x Shapefile/Access Accidents and Incidents x Access Customer Complaints x Access Political Boundaries x Geodatabase Oracle 9i with SDE Notes: ADA = Americans with Disabilities Act; TAZ = traffic analysis zone; SDE = Spatial Data Engine.
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34 such as the scheduling program and the trip itinerary planner, which are not integrated with the GIS. CTA has been focusing on building the infrastructure for the enterprise GIS and this is reflected in its use of the latest GIS software from ESRI.
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35 and Paratransit. These systems combined carry nearly 300,000 passengers daily.
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36 peze with their geographic location so that ridership analysis by bus stop could be performed; and • • An IT strategic plan for MDT that suggests development of an enterprise database in Oracle that would support the creation of a geodatabase, which is the direction that the GIS staff would like to go. Summary MDT has a GIS program that is representative of the state of the practice among transit agencies.
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37 FIGURE 11 TNET: Regional data coordination system overview. • A Transit GIS toolbox developed in MapObjects, which also is used by approximately 150 users.
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38 TABLE 16 METRO TRANSIT: SUMMARY OF GIS DATA GIS Data Maintained by GIS Department Maintained by Internal Business User Maintained by External Agency Data Format Database Software Used Bus Routes x x Arc/Info Coverage Info/Shapefile/Oracle Bus Stops x x Arc/Info Coverage Info/Shapefile/Oracle Stop Amenities x x Arc/Info Coverage Info/Shapefile/Oracle Timepoints x x Arc/Info Coverage Info/Shapefile/Oracle Transit Centers x Arc/Info Coverage Info/Shapefile/Oracle Park & Ride x Arc/Info Coverage Info/Shapefile/Oracle Light Rail Alignment and Stops x Landmarks x Arc/Info Coverage Info/Shapefile/Oracle Transit Boundary x Arc/Info Coverage Info/Shapefile/Oracle ADA Boundary x Arc/Info Coverage Info/Shapefile/Oracle Transit Facility Locations x Arc/Info Coverage Info/Shapefile/Oracle Traffic Signals x x Arc/Info Coverage Info/Shapefile TAZ Boundaries x x Arc/Info Coverage Info/Shapefile Census Data x x Arc/Info Coverage Info/Shapefile Accidents and Incidents x x Arc/Info Coverage Oracle Customer Complaints x Political Boundaries x Arc/Info Coverage Info/Shapefile Notes: ADA = Americans with Disabilities Act; TAZ = traffic analysis zone. the TNET consortium.
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39 TABLE 17 TRIMET: SUMMARY OF GIS DATA GIS Data Maintained by GIS Department Maintained by Internal Business User Maintained by External Agency Data Format Database Software Used Bus Routes x ESRI Shapefile Bus Stops x Oracle Table Oracle Stop Amenities x Oracle Table Oracle Timepoints x Oracle Table Oracle Transit Centers x Shapefile Park & Ride x Shapefile Light Rail Alignment and Stops x Grade Crossing x Access Table Access Landmarks x Shapefile Transit Boundary x Shapefile ADA Boundary x Shapefile Transit Facility Locations x Shapefile Traffic Signals x Shapefile TAZ Boundaries x Shapefile Census Data x Shapefile Accidents and Incidents x Oracle Table Oracle Customer Complaints x Oracle Table Oracle Political Boundaries x Shapefile Notes: ADA = Americans with Disabilities Act; TAZ = traffic analysis zone. vironment.
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40 • A customer service information system that tracks customer complaints. Summary The TriMet GIS program is a successful example of an enterprise GIS system that has achieved this status following a well-planned GIS development program.
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