UN R152: Proposal for a Supplement 7 to the 02 series of amendments
Reference Number: GRVA/2026/38
Proposal to amend para. 2.14. to insert a footnote clarifying that the road surface friction coefficient of 1 for sufficient nominal Peak Braking Coefficient (PBC) is understood to be a minimum value. This document is based on working document GRVA/2026/21 as amended by informal document GRVA-25-36.