Boston MBTA Subway Tracker

The map below displays real-time locations of all active MBTA subway trains, including the Red, Orange, Blue, Green, and Mattapan lines. Watch as trains move across Boston's transit network in real-time. Each colored dot represents an active train with its status and location updated every minute directly from the MBTA API.

This visualization is part of our ongoing analysis of Boston's subway system reliability. Scroll down to see our in-development analyses of train delays, on-time performance, and system efficiency across different subway lines and times of day.