Wednesday, December 8, 2010

Crowd-Sourcing IPhone App Live-Tracks NYC Subway Trains

Alex Bell's iPhone app gives live, exact updates on only where the trains are in the NYC subway. And it does it without drumming in to any of the MTA's resources.

It's roughly 2011 and you still can't obtain live data on attainment and departures is to NYC subway. SubwayArrival fixes that, by finding data from the phones of people using the app and crunching the numbers. It watches for iPhones that barter to a not similar unit base-station, that vanish completely due to a mislaid vigilance and that then reappear a long stretch divided in a partial time. This tells the mothership that you have only finished your trip.

Combining this (always anonymous) info from many phones lets Bell's computers erect a model of the movements of the transport cars. Users can lift up a chart of their area and see the sight relocating on a street-map of the city. The app moreover gives service position updates, so you'll know if there might be delays.

Bell is only rolling out his service now. Currently only on a line is being shown (the 1), with more commencement soon. But there's a tiny problem: The app depends on many users for it to work. If nobody with the app is roving the subway, then there is no data.

Luckily, you can help. The app is free, so if you live or work in New York (I'm seeking at you , Wired.com NY business arch John C. Abell), then download it and give it a spin. Imagine being able to taste your bagel out in the object instead of down on the platform, knowing precisely when the sight will spin up.

SubwayArrival app [iTunes]

How SubwayArrival functions [Alex Morgan Bell]

See Also:

Video: Nearest Subway App Overlays Virtual Maps on Real World …

Video: Inside The New York Subway Car Factory

MIT Students Get Top Marks for Hacking Boston Subway

Man Jumps Onto NY Subway Track To Save iPhone

iPhone Band Rocks Out on NY Subway

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