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Aug 31, 2022, 2:33:42 PM8/31/22
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Hello TIDES community,

I have exciting news from the TIDES Project.

  • TRB has released the pre-publication of TCRP Research Report 235 which is the product of TCRP Project G-18.  The final report will be released later this fall.  This research report recommends a data structure for historical transit data fully aligned with the goals of the TIDES project. This is the head start that TIDES has been waiting for!

  • TIDES now has a home on GitHub at https://github.com/TIDES-transit. This is where we will take the results of the TCRP research project and develop Version 1.0 of the TIDES data specification and tools.  Everyone is welcome to monitor progress there and join the conversation. If you are interested in becoming an active contributor to the spec, please register as a project Contributor here.

  • The California Integrated Travel Project (Cal-ITP) along with their contractor Jarvus Innovations has agreed to help manage this work in the short term.  I will continue to lead the TIDES Project and Cal-ITP and Jarvus will provide technical and management assistance as we develop Version 1.0 of TIDES.  During this period, we will also develop the long term management and governance plan for TIDES.

There is growing interest in data standards in the transit industry and growing interest in TIDES as the emerging data standard for historical transit data.  We want to leverage this interest along with the completion of the TCRP research report to drive TIDES to release Version 1.0 of a spec by the end of 2022.  In other words, for those who have been waiting for the vision of TIDES to be realized, now is the time. I hope you will all continue to follow this project, review the specification as it develops, contribute to the work if you can, and eventually be able to use the spec in your own work with transit data.

Please feel free to forward this message to others who may be interested in following this work

Thank you,


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