Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.
Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.
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WP.29
19. GRBP noted the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT) (GRBP-76-06).