Nishi Tokyo Bus Co. (Tokyo Metropolitan Government autonomous bus demonstration)
Robot types: Automation operator. Risk band: Low RobotRisk index 14.7/100 (severity- and time-weighted incidents) · ranked 36 of 40 among Other companies with incidents (142 tracked).
Analyst brief
The single entry records a December 2025 crash in a Hachioji (Takao) autonomous bus demonstration, traced to a system defect per the Tokyo Metropolitan Government's own announcement, severity 2. Nishi Tokyo Bus Co. The finding is government-attributed rather than press-speculated, arising from an official demonstration program with an accompanying recurrence-prevention announcement referenced in the entry. The record is limited to this one event, with no further incidents on file.
Risk index
Products and robot types
Industries: Other
Risk is scored per product and robot type: each incident is attributed to the product it names, or to the company's matching robot type.
| Robot type | Share of company risk | Rank within type |
|---|---|---|
| Automation operator | 100% | 27 of 28 |
Incident timeline
Comparisons over time
Per-type breakdown
| Incident type | Unique incidents | Share |
|---|---|---|
| crash | 1 | 100% |
Unique incident list
1 unique incident on file for this company.
| Sev | Date | Type | Location | Incident | Source |
|---|---|---|---|---|---|
| S2 | ~Dec 2025 | crash | Hachioji, Tokyo, Japan | Autonomous bus accident in Hachioji (Takao) traced to system defect, Tokyo announces recurrence-prevention measures · 1 bus | NHK News |
S2 ~Dec 2025 · crash · Autonomous bus accident in Hachioji (Takao) traced to system defect, Tokyo announces recurrence-prevention measures
| Sev | Date | Supporting source row | Source |
|---|---|---|---|
| S2 | ~Dec 2025 | Autonomous bus accident in Hachioji (Takao) traced to system defect, Tokyo announces recurrence-prevention measures | NHK News |
Similar companies
Same industry, nearest RobotRisk band or score.