The average bus between Arsenal St @ Watertown Mall and Harvard Square takes 25 min and the fastest bus takes 14 min. The bus runs at least 3 times per hour from Arsenal St @ Watertown Mall to Harvard Square. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 20 minutes between Arsenal St @ Watertown Mall and Harvard Square. The earliest departure is at 12:04 AM at night, and the last departure from Arsenal St @ Watertown Mall is at 11:32 PM which arrives into Harvard Square at 11:51 PM. All services require a transfer at Western Ave @ Travis St and take an average of 25 min. The schedules shown below are for the next available departures.

27 min • 1 change

18 min • 1 change

17 min • 1 change

21 min • 1 change
Want to know about travelling from Arsenal St @ Watertown Mall to Harvard Square? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Arsenal St @ Watertown Mall to Harvard Square. However, there are services departing from Arsenal St @ Watertown Mall station and arriving at Harvard Square station via Western Ave @ Travis St. The journey, including transfers, takes approximately 25 min.
Arsenal St @ Watertown Mall to Harvard Square bus services, operated by MBTA, depart from Arsenal St @ Bond St station.
Arsenal St @ Watertown Mall to Harvard Square bus services, operated by MBTA, arrive at Harvard station.
The distance between Arsenal St @ Watertown Mall and Harvard Square is 3.5 km. The road distance is 4 km.
You can take a bus from Arsenal St @ Bond St to Harvard Square via Western Ave @ Travis St, N Harvard St @ Western Ave, and Harvard in around 27 min.