Boston Transit: MBTA Tracker is the official app from the Massachusetts Bay Transportation Authority (MBTA). The app provides the most accurate real-time bus arrival predictions in the region, as well as the latest information on the local service pattern, including service alerts and changes.

You can also use the app to plan your trip from A to B. It includes an interactive map that makes finding the best route easy.

In addition, the app can also help you find the best bus/subway combination for your journey. It includes a list of the best routes, as well as information on how to get to your destination. You can also view the latest information on the local service pattern, including service alerts and changes.