# NHTSA demands AV developers stop driverless vehicles from interfering with first responders revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Incident: [NHTSA demands AV developers stop driverless vehicles from interfering with first responders](/incidents/nhtsa-av-first-responder-directive-2026-07-08.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption. For the current state of this incident, see the incident page._

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /incidents/nhtsa-av-first-responder-directive-2026-07-08/history. REST: /v1/incidents/db182df4-772d-4065-a954-f043926f6b5d/history. HTML: [/incidents/nhtsa-av-first-responder-directive-2026-07-08/history](/incidents/nhtsa-av-first-responder-directive-2026-07-08/history)._
