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Where's my MBTA T?

By Vladimir Grinman

This app is only available on the App Store for iOS devices.


Where’s my MBTA T? Version 1.0
Developed by Alex Grinman, Brookline High School, MA

This app is intended for Massachusetts residents who use the same Red, Orange, or Blue (there is currently NO Green line data from the MBTA) subway line everyday to get to work or to school. It can help them decide if they have to rush to make the bus, or if they can restfully finish their morning coffee without fear.

The app's user interface is designed to be very simple and intuitive. There is nothing extra: you select your subway line, whether you are going inbound or outbound. The app will then predict the arrival time for all stations on selected line. You then can select your station and see first incoming train on the map. You can also save stations as favorites to ensure quick access to them at any time.

There are two optional settings. You can choose to go straight to the last station you viewed, whenever you load the app. You can also turn on automatic refreshing of prediction times and train locations on the map. You will even see how train is moving toward your station.

This app relies on the MassDOT's award-winning open data initiative, which releases information, including real-time locations and arrival countdown information, for all subway lines except green lines. Unfortunately, there are no GPS devices on subway trains, so train locations are determined using an old circuit indication system. This App is compatible with the iPhone and iPod Touch, but it requires an Internet connection (3G or WiFi) to get access to MBTA data.

iPhone Screenshots

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Customer Reviews

works just fine, with imposed limitations

Most of the reviews here miss the fact that the data this app pulls from is what the MBTA has to offer. You won't find a better app, because they all have to use the same data. The Where's My MBTA bus app is superior, because the subways are underground much of the time. The trouble is when you're close to the beginning of a route, because the trains aren't detected by the T's system until they have departed the terminus.


There are better options than this one. Some trains are completely missing, and data seems about 2 minutes off. If this was the only one out there, I'd say buy it just as a wild estimate, but that's all it gives you at this point. (Look for a four star app).

For those of you looking for the green line: the T doesn't release this data, unless you just want the schedule. For those of you giving this app low ratings while looking for the silver line--get over it--the silver line is a BUS!

Depends on inaccurate MBTA data

The app is well designed but clearly the data released by the MBTA is inaccurate. I personally think it would be better to just overlay the GPS coordinates of the train, but they don't do that probably for security reasons. So instead were stick with estimates for arrival time which are often times inaccurate.

Where's my MBTA T?
View in iTunes
  • $0.99
  • Category: Navigation
  • Released:
  • Version: 1.0
  • Size: 0.3 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 4.2 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version: