Tuesday, August 18, 2026

peak-149rough-daylong-gap

Day health

59.4

100 = every line running clean

Arrivals recorded

40,699

298 distinct trains

Peak trains at once

149

5:10 PM

Worst gap

227 min

Orange · State · 5:34 AM

The Score

open SVG

String-line diagram of every MBTA subway train on Tuesday, August 18, 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 7m · p90 14m

6,657 arrivals · 28 trains

Orangestrained

median 6m · p90 16m

4,950 arrivals · 21 trains

Bluestrained

median 5m · p90 11m

4,410 arrivals · 18 trains

Green-Bstrained

median 9m · p90 18m

5,880 arrivals · 24 trains

Green-Chealthy

median 10m · p90 19m

4,102 arrivals · 26 trains

Green-Dhealthy

median 10m · p90 19m

5,890 arrivals · 72 trains

Green-Estrained

median 7m · p90 16m

7,297 arrivals · 48 trains

Mattapanrough

median 8m · p90 26m

1,513 arrivals · 5 trains

First light

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

4:39:59 AMAlewife
4:51:44 AMForest Hills
4:45:10 AMOrient Heights
4:17:25 AMBoston College
4:57:51 AMCleveland Circle
4:18:37 AMRiverside
4:49:04 AMEast Somerville
5:05:35 AMCentral Avenue

Last call

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

1:17:15 AMShawmut
1:04:58 AMMalden Center
1:12:26 AMWonderland
1:36:31 AMBoston College
2:17:20 AMCleveland Circle
1:52:56 AMRiverside
2:05:03 AMGilman Square
1:36:54 AMMattapan

The wait you remember

227 minutes of nothing on the Orange at State, starting 5:34 AM.

Rendered 3:40:04 AM ET · 1-minute resolution · mbta.cold.fyi