Koto Ward autonomous shuttle bus accident traced to route-deviation detection failure
S1 · 27 Feb 2026 · Tier IV · Koto, Tokyo, Japan
Record
| Company | Tier IV |
| Category | AV trucking |
| Type(s) | malfunction |
| Date | 27 Feb 2026 (day precision) |
| Time of day | 16:19 |
| Location | Koto, Tokyo, Japan |
| Severity | (near-miss / disclosed vulnerability) |
| Scale | 1 bus |
| Confidence | medium |
| Verified flag | Yes - independently re-checked against the cited source |
Summary
A Level-2 autonomous shuttle bus (Tier IV Minibus 2.0) operating at Umi no Mori Park in Koto Ward, Tokyo struck a median curb on 2026-02-27 after a manual lane-change during automated operation caused the route-deviation detection program to fail silently. No injuries or other traffic disruption occurred.
Primary source
Publisher: LOGISTICS TODAY · Retrieved: 2026-09-13
Supporting source rows (1)
| Date | Supporting source row | Publisher | Link |
|---|---|---|---|
| 27 Feb 2026 | Koto Ward autonomous shuttle bus accident traced to route-deviation detection failure | LOGISTICS TODAY | LOGISTICS TODAY |
AV trucking context
malfunction context
Tier IV category position
Related incidents
Other Tier IV entries
- None on file.
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