All well designed public transit maps are easy to interpret and provide accessible travel information for local residents and travelers alike, but wouldn’t it be great if they also offered real-time transit information too. The new app called Tunnel Vision , created by Bill Lindmeier, is a nifty tool that adds access to data on NYC’s subway system just by pointing a smart device at a MTA map.

Tunnel Vision provides real-time information on exactly where trains are at, how busy individual stations are and U.S. Census data on neighborhoods around subway stations.

The app is available here for iOS devices.