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> The MTA will also accelerate delivering real-time arrival data for all 469 subway stations, which will be available on the MTA’s SubwayTime app and will be streamed as an open data feed for any developer to use.

Neat.

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I'm not sure _how_ they are going to do this, when most of the lines don't have this technology (it's literally turn the the century switching technology):

http://www.theatlantic.com/technology/archive/2015/11/why-do...

Perhaps they same way they do it on buses?

No, you can't reliably receive GPS signals in a subway tunnel.

If you have wifi hotspots in every station you can track the trains that way, no GPS required.

I thought buses mostly used thr odometer? At least the ones where I lived used to use the odometer for the "next station" LED signs in the buses, and the bus stop arrival signs showed up not long after.

If they can equip the mice down there with repeaters they could get a pretty good 99% coverage rate. (BTW it is possible ... http://blog.tanaza.com/blog/bid/296349/Dogs-and-cats-turned-...)

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