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Getting Your 511 Traffic Incidents in the San Francisco Bay Area as a Real Time Streaming API

Continuing our work to make city data more real time, we have begun working to make 511 data streaming using Server-Sent Events (SSE) in any browser, or mobile device. 511 data includes a number interesting data sets that can be made real time, such as transit schedules, but we wanted to focus on traffic data[…]

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Real Time Streaming 311 Incidents In Chicago

We have been studying the 311 landscape as part of our smart city research, and after¬†discovering a handful of Open311 API feeds, we wanted to develop some prototypes that demonstrate how you can quickly make 311 data streaming using Server-Sent Events (SSE) in any browser, or mobile device. Not every city supports Open311, making non-emergency[…]

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JSON Schema and Examples for the Service Interface for Real Time Information (SIRI) 2.0

We’ve been working to understand how we can make transit data more real time, and one of the obstacles we have hit was that the General Data Transit Feed (GTFS) Realtime standard, which is the dominate standard in the United States can’t be easily proxied using Streamdata.io. The GTFS message format isn’t in the JSON[…]

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Understanding The Service Interface for Real Time Information (SIRI) 2.0 Transit Standard

As part of our wider research into smart cities, and the real time data that make our cities go round, we have been studying transit systems, which includes developing an awareness of the standards being used to make transit data available via APIs. So far we have profiled the General Data Transit Feed (GTFS) standard,[…]

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Understanding The General Data Transit Feed (GTFS) Realtime Standard

Building on our previous story about the General Data Transit Feed (GTFS) standard, as we work to understand the standards used across the transit industry, we wanted to provide an overview of GTFS Realtime, which is an extension to the GTFS static feed–adding the real time data layer to the specification. GTFS provides a static[…]