Open 511 Data: ACE Rail

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Chad Duvauchelle

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Sep 26, 2025, 1:08:43 PM9/26/25
to Mengjie Han, Nisar Ahmed, Kapeel Daryani, 511sfbaydevel...@googlegroups.com, Marques Cook

Hello,

 

My name is Chad Duvauchelle, and I am the Transportation Research Analyst at the San Joaquin Regional Rail Commission (SJRRC), the managing agency for the Altamont Commuter Express (ACE) Rail Service. I am reaching out to you because I noticed that 511.org is currently hosting an outdated version of our static GTFS data (located at: http://api.511.org/transit/datafeeds?api_key=[your_key]&operator_id=CE).

 

We would like to work with you to help get this issue resolved as well as to establish a pathway and procedure so that future data updates on our end can be ingested by your organization in the most efficient and timely manner as possible.

 

 

For reference, our most up to date static GTFS data will always be hosted on our website at:
Developer Resources - ACE Rail

 

And this link should service as a persistent, direct-link source to that same information as well:
https://cdn.acerail.com/wp-content/uploads/ACEGTFS.zip

 

 

 

If you have any questions or if there is anything else that we can do to help streamline this process, please let us know.

 

Thank you!

 

Chad Duvauchelle
Transportation Research Analyst
209.561.7801 cell |
cduvau...@sjrrc.com
San Joaquin Regional Rail Commission

949 East Channel Street Stockton, CA
sjrrc.com | sjjpa.com | acerail.com | amtraksanjoaquins.com

 

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