Products: n/a. Risk band: Low RobotRisk index 9.8/100 (incidents/exposure, time-weighted) · 24th percentile of 62 other companies.
The record shows a single entry: a December 2024 outage of the Automatic Train Control server that shut down all of Line 1, coded as an outage of moderate severity (2). One event is present, with no pattern of repetition in the data. The index of 9.9 corresponds to the 24.2nd percentile in the 'other' category, placing TTC below most category peers on the index measure, consistent with its low band. The entry describes an infrastructure/systems failure disclosed through public reporting rather than a regulatory action. On the data given, this is a single moderate-severity service outage.
| Sev | Date | Type | Location | Incident | Source |
|---|---|---|---|---|---|
| S2 | 12/11 2024 · ~07:00 ET |
outage | Toronto, ON, Canada | Automatic Train Control server outage shuts down entire Line 1 · Line 1 systemwide, ~30 minutes | CP24 |