How to find the last update time or publish time of GTFS schedule dataset

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David Wu

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Sep 28, 2022, 12:14:00 PM9/28/22
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To avoid unnecessary processing of stale data, I need to find out when a GTFS dataset was published or last updated.

In some cases, I can check the time stamp of the zip file, but that doesn't work in other cases.

The GTFS standard specifies a feed_info.txt file, which can be used but it's an optional file and I don't find it in sources I have to deal with.

This should be a question that has been discussed in this group, but my search didn't turn up anything. Sorry if it's an old topic.

Thanks,
David

Emma Blue

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Nov 30, 2022, 11:24:22 AM11/30/22
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Hi David, 

Unfortunately, there's no easy way to do this consistently with the GTFS files themselves. However you can find this info through GTFS aggregators that track updates. transit.land does this — you can see this under Archived Feed Versions.

Thanks,
Emma
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