I looked into it and there's not really an error in the data.
It really is the case that the 24 did not run during that time, and in fact the incorrect part is indicating service 6/15 - 6/19.
However, if you look at a GTFS feed closer to that time (e.g., the first Summer feed, 20200605.zip), you'll see that we do not have trips scheduled during 6/15 - 6/19 anymore. We try to update the feed as often as we can, but particularly around rating changes
there are a lot of moving parts and the static data more than a week or two out can be incorrect. One thing you could do is look at the data in a feed only for the dates up to the next feed. We try to never change things retroactively, so that should be the
best source of what the static data is on a given day. We publish updates frequently related to planned shuttles and other service changes.
Another thing to note, depending on the purpose of your analysis, is that a related route, the combined 24/27 (route_id: 2427) did run during that time. What might be useful for you is looking at our experimental feed data for
lines which group related routes. For example, in the 2020-05-04 feed that you mention, you'll see that the 24 is part of a "line" consisting of the 24, 24/27, 27, 33, and 32/33 routes, which share a basic trunk and serve a similar area and similar stops.
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