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vhalros t1_j9ugq9a wrote

Reply to comment by Stronkowski in T unveils new slow zone dashboard providing never-before-seen look at subway condition by austinmartinyes

TransitMatters can figure it out from travel times, which is great because it got the T to actually admit some of the problems. It seems like the additional information TransitMatters can't necessarily figure out is why there is a slow down (track? tunnel? train? signals?), and precisely how many miles have what level of speed restriction. Of course, what would be really great is having some idea when they are going to fix it.

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Smilerk t1_j9v4nh9 wrote

Yes! We use a combination of GTFS feeds, public MBTA apis, and data the mbta gives us itself. But it is only ever arrival and departure times. We have no insight into speeds of specific track segments between two stops

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