Anticipated Products
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User Guides System Documentation Agency provided routes Inferred Routes (Eventually conflated to road networks) National GTFS Files APIs and Applications to query the dataLegacy Publication
Legacy ID
1011
Show Effective Date
On
Significant Regulatory Guidance
No
Products and Services
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Spatial Participating agencies Agencies by Volume Stops ¼ mile stop buffers ½ mile stop buffers Tabular Agencies Feeds Routes Trips...Building the database
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Each Zip file is opened Each GTFS file is opened and each record is inserted into the NTM database Each record is assigned an NTM ID so they maintain their unique identityScrapping
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The URLs are read from the Registry Each URL points to a zipped GTFS file Each .zip file is saved to a versioned directoryVetting the Feeds
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The URLs submitted are checked to ensure they are valid end points If they are not we search for the correct end point Sometimes valid end points cant be foundRegistration
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Transit Agencies use FACES to opt-in and Grant a Creative Commons Attribution 3.0 United States (CC-BY-3.0) license to the USDOT Register the URLs from which their GTFS feeds can be downloaded The registration is forwarded to BTSHow it works
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Transit Agency NTD Reporter
Agency Info GTFS Urls And Leicensure
FTA GTFS Registration Web Site.
Agency Info GTFS URLs And Licensure Sent to BTS
Raw GTFS Data
Raw Data
BTS Staff
Vetted Data
GTFS Registry...
The Strategy
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Employ an iterative process
Focus on the largest urban agencies
More likely to publish GTFS Feeds, affects more people
The Secretary of Transportation would personally encourage participation...
Technological Considerations
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How do we retrieve the data? How do we compile the data? How do we store the data? How do we publish the data? What products should we generate?Strategy Considerations
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Do we design, build and implement a complete solution or take and iterative approach?
Do we ask for all of the data at once or do we focus on subsets?