Jon Makler, AICP | @ plangineering Portland State University
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Transcript of Jon Makler, AICP | @ plangineering Portland State University
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oyJon Makler, AICP | @plangineering
Portland State UniversityOregon Transportation Research & Education Consortium
jOF WEB-BASED, GEOSPATIAL TRANSIT PERFORMANCE DATA ARCHIVES
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Morgan Harvey, ProgrammerDr. Kristin Tufte, Technical Lead
Ryan Peterson, GIS Tech
Steve Callas Service & Performance Analysis Manager
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Why?
• More informed decision making through visualization
• Efficient support for user requests for data• Enable innovative performance analysis
portal.its.pdx.edu
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What Will We Cook Today?
TransitPerformance
Data
Geospatial Web-based
portal.its.pdx.edu
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Ingredientsportal.its.pdx.edu
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Menu Planningportal.its.pdx.edu
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Prepare the Ingredients!
• Prepare GTFS data and set aside• Collect daily APC and AVL data• Clean the data based on error messages,
mismatched ons and offs, more• Aggregate by quarter for “typical” data• Be prepared for strange values (partial people)• Export data with enough fields to support
GTFS matching
portal.its.pdx.edu
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Step 1: Convert GTFS to Feature Classportal.its.pdx.edu
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Step 2: ArcPy converts pattern lines to stop segments
Now you can match GTFS and
PAX Data!
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Step 3: Create Minimum Stop Segments
Now you can aggregate across
routes!
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Choices
• Segment- and stop-based measures• Query options (time, day, season, year)• Display options (absolute and relative)
portal.its.pdx.edu
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Garnish and Serve!portal.its.pdx.edu
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Garnish and Serve!portal.its.pdx.edu
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Garnish and Serve!portal.its.pdx.edu
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Garnish and Serve!portal.its.pdx.edu
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Dessert(aka, next steps)
• Cartographic refinements– Line Offsets– Point symbology
• Integrate data visualizations (pie charts & plots)
• Data download capability• Non-temporal queries
portal.its.pdx.edu