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Alameda-Contra Costa Transit District
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Data Resource Center

AC Transit makes bus schedule, bus route, bus stop, and bus schedule data available to individuals interested in supporting the use of AC Transit services through the development of web-based applications or other technology, or who just want to view AC Transit routes and stops in Google Earth or other geographic informational software application. Information about the data and terms for its use are discussed below.

TERMS AND CONDITIONS OF USE

AC Transit requests a review of the Terms and Conditions of Use by third party developers, consultants or interested parties prior to accessing a ‘data folder’. Here is a link to those Terms and Conditions.  Individuals can also find the link to the Terms and Conditions document from the appropriate data download pages.

SCHEDULE, ROUTE AND STOP DATA

Schedule, route and stop data is available to third party developers in a variety of formats. Before selecting and downloading any data, please review the description and links indicated below.

AC Transit is not responsible for the accuracy of these files. This data may or may not exactly match what is displayed in other systems utilizing AC Transit schedule, stop and route data such as 511.org or the AC Transit website.

Data is currently available effective for the June 23, 2013 service change.

GENERAL TRANSIT FEED SPECIFICATION

The General Transit Feed Specification originally developed by Google or ‘GTFS’ defines a common format for public transportation schedules and associated geographic information data. AC Transit Service Development Department generates this data for Google to process at least 3 times per year for use in their Transit Trip Planner. This specification describes the details of this common format that is now used among transit data users.

http://code.google.com/transit/spec/transit_feed_specification.html

Click here to download.

GOOGLE EARTH ‘KML’ FILES

AC Transit’s Service Development Dept. maintains data in the Google KML format so that bus stops can be viewed using the Google Earth application.

Click here to download.

www.google.com/earth/download-earth.html

BUS ROUTE GIS SHAPE FILES

The District maintains geographic shape file information for each bus route according to the ESRI’s ArcGIS file format standard.   This route shape data was created in the geographic coordinate system GCS_WGS84 format.  It contains a concatenated version of all trip patterns for every route respectively (including weekday and weekend).  A zipped file of the route shape was created for easy download and it also contains an XML file describing the content of the shape file. 

Click here to download.

BUS STOP GIS DATA FILES

AC Transit maintains a bus stop network of approximately 5600 bus stops. The GIS shape files indicate the location of each stop, regional real-time bus ID # as well as other attributes. This data file does not reflect what time of day the stop may have bus service or by what route.  Metadata about the stop data files is also included in the data folder.

Click here to download.

511.org DATA FILES AND REAL-TIME DEPARTURE INFORMATION

511 provides several data feeds for developers who’d like to create applications, widgets, and other tools using 511 data. All data sources and tools are free-of-charge. In addition to an export of static data, these sources include real-time departure data and a 511 transit data feed.

http://511.org/developer-resources.asp

REAL-TIME DEPARTURE INFORMATION AND XML FEED SPECIFICATION

AC Transit currently contracts with Nextbus to generate bus arrival predictions for display on the 511 system, at AC Transit kiosks, text-based signs in bus shelters and on AC Transit’s website. The following link will take you to another area of AC Transit’s website where information on the Real-Time Departures XML data feed is available.

http://www.actransit.org/rider-info/nextbus-xml-data/

Questions and comments about these data files should be directed via email to: planning@actransit.org. While we cannot promise to respond to every comment, we’ll try to answer questions you may have on the data. Help us help you by providing as much detail as possible for your query.

Keep in touch! Sign up for our developer e-news and make sure you are the first to know about new releases of data and any corrections.

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