5-stop segments · pass each quiz at 80% to unlock the next
Keyboard: Space flips · → knew it · ← missed it
Drill settings
Tap a door button as you ride to log which side opens.
Study segments passed
Facts mastered
Mastered = right 3 reviews in a row. Light bar = seen at least once.
Stops: MTA schedule data (weekday daytime), names updated to the 2025 MTA list, with the December 2025 F/M swap applied. Later service changes aren't included. Exits: NYC Open Data street entrance list (about 2018), so newer or closed entrances may be missing. Front, middle and back are estimated from where each entrance sits relative to the station point along the track. Treat them as a starting guess and confirm on the platform. Door sides come only from your logs. Progress and door logs save on this phone only. Use Back up progress now and then, and Restore on a new phone or browser.