UN R117: Proposal for a Supplement 3 to the 04 series of amendments
Reference Number: GRBP/2024/23
Proposal from the Wet Grip on Worn Tyres informal group to standardize provisions for the water depth measurement and to reduce the track friction range requirements under the test procedures.
UN R117: Proposal for Supplement 3 to the 04 series of amendments
Reference Number: GRBP-80-11
Proposal by the IWGWGWT to replace document ECE/TRANS/WP.29/GRBP/2024/23. This proposal aims as a first step to standardize the water depth measurement.