How to get from South Station to Union Square (Station) by subway?

From South Station to Union Square (Station) by subway

To get from South Station to Union Square (Station) in Somerville, take the RED LINE subway from South Station station to Park Street station. Next, take the GREEN LINE D subway from Park Street station to Union Square station. The total trip duration for this route is approximately 35 min. The ride fare is $2.40. The subway schedule from South Station may change. We recommend you check the updated subway schedule to Union Square (Station) on the Moovit app.

35min$2.40
Walk to subway station
Subway - RED LINE
Subway - GREEN LINE D
Leaves from South Station

Step by Step

  • 1
    Walk to subway station
    Walk to subway station
    South Station
    270 yd • 4 min
  • 2
    Subway - RED LINE
    Wait for subway
    RED LINE
    Alewife
  • 3
    Ride to subway station
    Ride to subway station
    Park Street
    4 min
  • 4
    Subway - GREEN LINE D
    Wait for subway
    GREEN LINE D
    Union Square
  • 5
    Ride to subway station Union Square
    Ride to subway station
    Union Square
    20 min
*Duration based on 8am traffic
The Most Popular Urban Mobility App in Boston.
All local mobility options in one app

Public transit directions from South Station to Union Square (Station)

The distance between South Station, Somerville and Union Square (Station), Somerville is approximately 3.4 mi, which can typically be travelled in 35 min. Moovit will show you the directions from South Station to Union Square (Station) by subway, so no matter how you choose to travel in Somerville – you will always have plenty of easy options.

Subway schedule from South Station to Union Square (Station)

To check the subway schedule from South Station to Union Square (Station) using the Moovit app, first download and open the app on your smartphone. Enter your starting point (South Station) and destination (Union Square (Station)), then select the desired date and time of travel. Moovit will show all available subway routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each subway, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest subway schedules.

Related Routes

Questions & Answers

  • What is the fastest way to get from South Station to Union Square (Station)?

    The fastest way takes 35 minutes, using Subway line RED LINE, Subway line GREEN LINE D.

  • Is there a direct subway between South Station and Union Square (Station)?

    No, you’ll have to take 2 subway lines in total. The total travelling time is 35 min.

  • Which subway line goes from South Station to Union Square (Station)?

    The RED LINE subway line goes from South Station station near South Station in Boston to Park Street station. From there you’ll have to take one subway line till Park Street station near Union Square (Station) in Somerville.

  • How long does it take to travel from South Station to Union Square (Station) by subway?

    The total travel time between South Station in Boston and Union Square (Station) in Somerville by subway is about 35 min.

  • Where do I get on the subway near South Station to get to Union Square (Station)?

    Get on the RED LINE subway from the South Station station near South Station in Boston.

  • Where do I get off the subway when travelling between South Station and Union Square (Station)?

    Get off the subway at the Park Street station, which is closest to Union Square (Station) in Somerville.

  • How much is the subway fare from South Station to Union Square (Station)?

    The ride from South Station to Union Square (Station) costs $2.40.

Popular Routes