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Bus - B4

B4 Line

Plainfield Street

PVTA

PVTA B4 bus Route Schedule and Stops (Updated)

The B4 bus (Union Station) has 20 stops departing from 50 Wason Avenue and ending at Springfield Union Station.

Choose any of the B4 bus stops below to find updated real-time schedules and to see their route map.

Direction: Union Station (20 stops)

  • 50 Wason Avenue

  • 100 Wason Avenue

  • Wason / Fisk

  • Plainfield / Laurel

  • Plainfield / Abbe (1)

  • Plainfield / Clayton

  • Sanderson / Whiting (Opposite)

  • Sanderson / Division (1)

  • Sanderson / Division (2)

  • Clyde / M (1)

  • Clyde / Plainfield (1)

  • Clyde / Plainfield (2)

  • Plainfield / Orchard

  • Plainfield / Lowell

  • Plainfield / John

  • Main / St. George (1)

  • Main/St. George (2)

  • Main/Boylston

  • Main / Emery

  • Springfield Union Station

B4 FAQ

  • What time does the B4 bus start operating?

    Services on the B4 bus start at 5:55 AM on Tuesday, Wednesday, Thursday, Friday.

  • What time does the B4 bus stop working?

    Services on the B4 bus stop at 5:30 PM on Saturday.

  • What time does the B4 bus arrive?

    When does the Plainfield Street Bus line come? Check Live Arrival Times for live arrival times and to see the full schedule for the Plainfield Street Bus line that is closest to your location.

  • Does the PVTA B4 bus line run on Memorial Day?

    The B4 bus's operating hours on Memorial Day may change. Check the Moovit app for latest changes and live updates.

  • Is there a B4 bus stop near me?

    Click here to view the nearest B4 bus stop.

B4 bus Schedule

B4 bus route operates everyday. Regular schedule hours: 5:55 AM - 6:40 PM

DayOperating HoursFrequency (min)
Sun9:15 AM - 5:45 PM30 - 60
Mon9:15 AM - 5:45 PM30 - 60
Tue5:55 AM - 6:40 PM40
Wed5:55 AM - 6:40 PM40
Thu5:55 AM - 6:40 PM40
Fri5:55 AM - 6:40 PM40
Sat6:00 AM - 5:30 PM30

PVTA bus Service Alerts

See all updates on B4 (from 50 Wason Avenue), including real-time status info, bus delays, changes of routes, changes of stops locations, and any other service changes. Get a real-time map view of B4 (Union Station) and track the bus as it moves on the map. Download the app for all PVTA info now.

B4 line bus fare

PVTA B4 (Union Station) prices may change based on several factors. For more information about PVTA tickets costs please check the Moovit app or PVTA’s official website.

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B4 (PVTA)

The first stop of the B4 bus route is 50 Wason Avenue and the last stop is Springfield Union Station. B4 (Union Station) is operational during everyday.

Additional information: B4 has 20 stops and the total trip duration for this route is approximately 13 minutes.

On the go? See why over 1.5 million users trust Moovit as the best public transit app. Moovit gives you PVTA suggested routes, real-time bus tracker, live directions, line route maps in Boston, and helps to find the closest B4 bus stops near you. No internet available? Download an offline PDF map and bus schedule for the B4 bus to take on your trip.

Line B4 Real Time Bus Tracker

Track line B4 (Union Station) on a live map in real time and follow its location as it moves between stations. Use Moovit as a line B4 bus tracker or a live PVTA bus tracker app and never miss your bus.

Use the app as a trip planner for PVTA or a trip planner for Subway, Train, Bus or Ferry to plan your route around Boston. The trip planner shows updated data for PVTA and any bus, including line B4, in Boston

B4 - Alternative Directions

Follow the LIVE location of line
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