NextTransit - Free Transit Time iOS App and Widgets

NextTransit is your station agent. It gives you real-time access to the next train at your selected stations. No more clicking and tapping through lists of train lines and stations. Set it up once and the next train time in each direction is always there at a glance. It even includes Home Screen Widget and a Lock Screen Widget so you always know when your next train is leaving. Supports 12 transit systems across six metro areas (with more on the way), including NYC/NJ/LI(MTA Metro-North, LIRR, NJ Transit), SF Bay Area (BART, Caltrain), Boston (MBTA Commuter Rail, The T), Philadelphia (SEPTA Regional Rail, NJ Transit, PATCO Speedline), Washington DC (WMATA Metrorail), and Chicago (CTA Rail, Metra).