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Incident · Collision

ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)

The May Mobility vehicle (Ego) is stopped at a red light, then the Ego begins to accelerate and turn right when the traffic light changes to green. As the Ego accelerates, a pedestrian begins moving and enters the crosswalk from the other side of the intersection.

This activates the rule-based crosswalk logic. Ego determines that it is able to stop before the crosswalk without exceeding our max deceleration threshold, which triggers an in-policy stopping reaction for the crosswalk. The Ego brakes to yield for the pedestrian.

The vehicle trailing the Ego accelerates, making contact with the rear-end of the Ego. In the 2.5 seconds between the start of the Ego braking and the collision, the rear vehicle accelerated from 0.2 to 6.1 m/s (0.4 to 13.6 mph) without slowing until after the collision occurred.

In response to this incident, immediate mitigations were made, in that the vehicle operators (AVOs) operate all intersections in manual mode. This remained in place until January 12, when we received a solution which instituted a reduction of the 3.5 m/s2 parameter, in order to prevent the Ego from yielding to pedestrians in crosswalks that are still far from the Ego’s lane if such yielding would induce braking.

Occurred 2025-12-01 · May Mobility Autonomous Sienna at Toyota City, Japan · May Mobility · Toyota City, Japan · Robotaxis

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Incident records on DEPLOY are compiled from public sources (regulatory filings, news reports, and operator disclosures) and reflect what has been reported and tracked to date. They are not legal findings, determinations of fault, or safety ratings, and may be updated as new information is verified. See the sources below for the underlying references.
Track ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)

Machine-readable surfaces

Sources (1)

  1. https://www.nhtsa.gov/laws-regulations/standing-general-order-crash-reporting#report-30413-13468

Common questions

What happened in ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)?
The May Mobility vehicle (Ego) is stopped at a red light, then the Ego begins to accelerate and turn right when the traffic light changes to green. As the Ego accelerates, a pedestrian begins moving and enters the crosswalk from the other side of the intersection. This activates the rule-based crosswalk logic. Ego determines that it is able to stop before the crosswalk without exceeding our max deceleration threshold, which triggers an in-policy stopping reaction for the crosswalk. The Ego brakes to yield for the pedestrian. The vehicle trailing the Ego accelerates, making contact with the rear-end of the Ego. In the 2.5 seconds between the start of the Ego braking and the collision, the rear vehicle accelerated from 0.2 to 6.1 m/s (0.4 to 13.6 mph) without slowing until after the collision occurred. In response to this incident, immediate mitigations were made, in that the vehicle operators (AVOs) operate all intersections in manual mode. This remained in place until January 12, when we received a solution which instituted a reduction of the 3.5 m/s2 parameter, in order to prevent the Ego from yielding to pedestrians in crosswalks that are still far from the Ego’s lane if such yielding would induce braking.
When did this incident occur?
The incident is recorded as occurring on December 1, 2025 on the DEPLOY registry. The date reflects the underlying real-world event, not the registry record's creation date.
What robot was involved in ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)?
May Mobility Autonomous Sienna by May Mobility is the recorded robot involved in this incident at Toyota City, Japan.
Has anyone responded to ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)?
No responses to this incident are recorded on the DEPLOY registry. Operators, manufacturers, or affected parties can submit responses to the editorial team; absence is not a guarantee no response was issued.
What is the current status of ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468)?
This incident is an active record on the DEPLOY registry; no retraction or correction has been issued.
Methodology: Verified · 1 source (1 primary) · last reviewed 2026-08-23

Verification posture

Verified

High confidence

Review state

Stable

Last reviewed 2026-08-23

Sources by quality tier

1
primary-regulatory-filing
Regulatory filing

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for ADS crash report in Arlington, TX involving a TOYOTA Sienna (NHTSA SGO 30413-13468).

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Canonical ID b28bcdac-501c-4368-a8b7-1d71d815f621