UN-R138
Uniform provisions concerning the approval of quiet road transport vehicles (QRTV) — Acoustic Vehicle Alerting Systems (AVAS)
UN regulation requiring electric and hybrid vehicles to emit minimum sound at low speeds for pedestrian safety. Defines minimum and maximum sound levels, frequency content, and speed-dependent modulation for AVAS.
- Document
- UN Regulation No. 138
- URL
- https://unece.org/transport/documents/2021/02/standards/un-regulation-no-138
- Label
- Regulation
- Keywords
- AVAS electric vehicles pedestrian safety quiet vehicles QRTV sound emission
Domain: Acoustics · Regulation