GRBP-82-26
UN R117: Proposal for a Supplement 4 to the 04 Series of amendments
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UN R117: Proposal for a Supplement 4 to the 04 Series of amendments
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Reference Number: GRBP-82-26
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Addresses a real-life situation that is not considered by current ice grip test conditions: the wet ice (or black ice) conditions.
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Submitted by: ETRTO
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Document date: 02 Sep 25
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Relevant to
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View full document file for more information
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GRBP-82-27
UN R117: Proposal for Supplement 4 to the 04 Series of amendments
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UN R117: Proposal for Supplement 4 to the 04 Series of amendments
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Reference Number: GRBP-82-27
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Proposal for new provisions for the track characterization with additional new text and re-introduces deleted text
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Submitted by: ETRTO
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Document date: 02 Sep 25
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Relevant to
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View full document file for more information
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GRBP-82-28
UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report
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UN R117: GOIE on Tyre Noise Level Alignment (TNLA); Status Report
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Reference Number: GRBP-82-28
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Document date: 03 Sep 25
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Relevant to
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GRBP-82-31
IWG for Wet Grip on Worn Tyres (WGWT): Status Report
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IWG for Wet Grip on Worn Tyres (WGWT): Status Report
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Reference Number: GRBP-82-31
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Document date: 02 Sep 25
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Relevant to
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GRBP-82-32
IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference
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IWG on Wet Grip Performance for Tyres in a Worn State (WGWT): Revised Terms of Reference
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Reference Number: GRBP-82-32
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Document date: 02 Sep 25
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Relevant to
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