STATION REPORT · MEDFORD
Ball Square
Green Line
Across 30 service days, Ball Square recorded a 79/100 reliability score, a 8.6-minute typical train gap, and 17.8% long gaps from 8,341 station observations in the official dataset.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Rolling operational summary
79/100Mostly steady
Station score79/100Mostly steady
Typical gap8.6 minbetween observed trains
Long gaps17.8%over 1.5× schedule
Observations8,341station stop records
DIRECT JOURNEYS
Direct trips measured from Ball Square
TransitMeter publishes 23 direct destination measurements from Ball Square; waiting and transfer time are excluded.
Times below cover rides completed on one train.
To Medford/Tufts1.8 min3,980 tripsTo East Somerville4.8 min3,643 tripsTo Gilman Square2.8 min3,625 tripsTo Lechmere8.8 min3,598 tripsTo Science Park/West End11 min3,585 tripsTo North Station15 min3,578 tripsTo Haymarket17 min3,547 tripsTo Government Center19 min3,543 tripsTo Arlington27 min3,538 tripsTo Boylston25 min3,533 tripsTo Copley29 min3,530 tripsTo Park Street22 min3,529 tripsTo Prudential32 min3,494 tripsTo Northeastern University35 min3,489 tripsTo Museum of Fine Arts38 min3,487 tripsTo Longwood Medical Area41 min3,478 tripsTo Brigham Circle43 min3,474 tripsTo Riverway49 min3,385 tripsTo Back of the Hill50 min3,376 tripsTo Mission Park46 min3,374 tripsTo Fenwood Road45 min3,373 tripsTo Heath Street51 min2,855 tripsTo Magoun Square1.2 min423 trips
STATION SIGNAL
What the Ball Square score means
Ball Square scored 79/100 (Mostly steady) from 8,341 observations, with a 8.6-minute median gap and 17.8% long gaps.
It is a rolling operational summary, not a real-time service alert.
See the formula and limits →