Automated Train Control System central computer failure halts subway communications
S3 · 28 Feb 2019 · SFMTA · San Francisco, CA, USA
Record
| Company | SFMTA |
| Industry | Other |
| Type(s) | outage |
| Date | 28 Feb 2019 (day precision) |
| Time of day | ~09:00 PT |
| Location | San Francisco, CA, USA · Muni Metro subway |
| Severity | (recall, enforcement, or fleet-wide fault) |
| Scale | systemwide, all subway trains (~40 trains), ~70 minutes |
| Confidence | high |
| Verified flag | Cited source on file; not independently re-verified |
Summary
SFMTA's Automated Train Control System (ATCS) suffered a central computer failure shortly after 9:00 a.m. on February 28, 2019, cutting communication with every train in the Muni Metro subway; non-communicating trains had to run in manual mode at reduced speed, and full communications were not restored until 10:10 a.m.
Primary source
Publisher: SFMTA (agency blog) · Retrieved: 2026-09-16
Supporting source rows (1)
| Date | Supporting source row | Publisher | Link |
|---|---|---|---|
| 28 Feb 2019 | Automated Train Control System central computer failure halts subway communications | SFMTA (agency blog) | SFMTA |
Other context
outage context
SFMTA industry position
Related incidents
Other SFMTA entries
- None on file.
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