OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

Babcock StreettoGriggs Street

Green Line

A direct MBTA train from Babcock Street to Griggs Street took a median 5.8 minutes across 3,433 observed trips; 90% of measured rides finished within approximately 7.2 minutes.

Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only

Typical5.8 min50th percentile
Slower trip7.2 min90th percentile
Scheduled6.2 minmedian timetable
On pace97%within 2 min of schedule

THE SHORT ANSWER

How long does Babcock Street to Griggs Street take?

The median completed ride from Babcock Street to Griggs Street was 5.8 minutes; the published schedule’s median was 6.2 minutes.

Based on 3,433 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 5.8 minutes. That was within 0.5 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 7.2 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Babcock Street to Griggs Street times by daypart

Morning rush produced the fastest median for Babcock Street to Griggs Street; Evening rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

5.2 min 627 trips · 99% on pace

Midday

5.8 min 889 trips · 97% on pace

Evening rush

6.2 min 667 trips · 95% on pace

Off-peak

5.8 min 1,250 trips · 96% on pace

MEASUREMENT SAMPLE

How Babcock Street to Griggs Street was measured

The Babcock Street to Griggs Street estimate uses 3,433 completed direct-trip stop-timestamp pairs matched to the schedule active for each observed train.

We publish the median because one dramatic delay should not define an everyday journey, and the 90th percentile because riders still need to understand the bad end of normal.

We do not infer why a trip ran slowly. Construction, incidents, crowding and weather require separate evidence.

Read the complete method →