Provide real-time tracking and timetable for Boston transportation (bus/metro/train/tram) Features:1. Nearby Stops- Provide all nearby bus stops sorted by the distance from current location- Click on a specific bus stop to display all bus routes via the stop- Click on a specific route to further display all stop sequence and their estimated arrival times- By clicking on a specific stop, you can further explore the stop nearby POI things.2. Bus Routes Information- Searching specific bus information by using route number, stop number, or partial stop name- Provide recently used bus route for quickly selection.