OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

RiversidetoReservoir

Green Line

A direct MBTA train from Riverside to Reservoir took a median 17 minutes across 3,120 observed trips; 90% of measured rides finished within approximately 20 minutes.

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

Typical17 min50th percentile
Slower trip20 min90th percentile
Scheduled17 minmedian timetable
On pace82%within 2 min of schedule

THE SHORT ANSWER

How long does Riverside to Reservoir take?

The median completed ride from Riverside to Reservoir was 17 minutes; the published schedule’s median was 17 minutes.

Based on 3,120 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 17 minutes. That was within 0.5 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 20 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Riverside to Reservoir times by daypart

Off-peak produced the fastest median for Riverside to Reservoir; Morning rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

17 min 566 trips · 73% on pace

Midday

17 min 747 trips · 89% on pace

Evening rush

17 min 645 trips · 87% on pace

Off-peak

16 min 1,162 trips · 79% on pace

MEASUREMENT SAMPLE

How Riverside to Reservoir was measured

The Riverside to Reservoir estimate uses 3,120 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 →