Wednesday, August 19, 2026

peak-150rough-daylong-gap

Day health

59.4

100 = every line running clean

Arrivals recorded

44,107

322 distinct trains

Peak trains at once

150

7:25 AM

Worst gap

212 min

Green-E · Medford/Tufts · 1:39 PM

The Score

open SVG

String-line diagram of every MBTA subway train on Wednesday, August 19, 2026

Time runs left to right across the service day (4 AM → 3 AM). Each panel is one line, top to bottom along the route. Every diagonal is a single train: steep is fast, flat is stopped, a cluster is bunching, and blank space is the wait you remember.

Trains in service

Line by line

Redstrained

median 6m · p90 14m

6,685 arrivals · 27 trains

Orangehealthy

median 5m · p90 10m

7,850 arrivals · 23 trains

Bluestrained

median 5m · p90 12m

4,134 arrivals · 20 trains

Green-Bhealthy

median 10m · p90 18m

5,620 arrivals · 26 trains

Green-Cstrained

median 9m · p90 18m

4,325 arrivals · 36 trains

Green-Dstrained

median 8m · p90 17m

7,004 arrivals · 79 trains

Green-Estrained

median 8m · p90 16m

6,866 arrivals · 53 trains

Mattapanrough

median 7m · p90 26m

1,623 arrivals · 4 trains

First light

The first recorded arrival on each line — the day starting without you.

4:38:51 AMBraintree
4:56:04 AMOak Grove
5:09:43 AMWonderland
5:02:05 AMBoston College
4:50:56 AMCleveland Circle
4:47:39 AMRiverside
4:46:47 AMEast Somerville
5:02:34 AMValley Road

Last call

The last recorded arrival on each line. After this, the tunnels go quiet.

1:18:08 AMDavis
1:37:26 AMForest Hills
1:12:30 AMWonderland
2:44:31 AMChiswick Road
2:36:03 AMCleveland Circle
1:58:38 AMRiverside
1:28:22 AMEast Somerville
1:39:37 AMMattapan

The wait you remember

212 minutes of nothing on the Green-E at Medford/Tufts, starting 1:39 PM.

Rendered 3:40:07 AM ET · 1-minute resolution · mbta.cold.fyi