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| Document Title | UN R117: Proposal for Supplement 12 to the 02 series of amendments | ||||||||
| Reference Number | WP.29/2020/75 | ||||||||
| Date |
19 Apr 2020
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| Summary | Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT). | ||||||||
| Rulemaking Area(s) | UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance | ||||||||
| Regulatory Impact |
02 series of amendments | Supplement 12
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| Proposal Status | Adopted | ||||||||
| Meeting(s) | |||||||||
| Related Documents | |||||||||
| GRBP/2020/6 | UN R117: Proposal for a Supplement to the 02 series of amendments (superseded) | ||||||||
| GRBP-71-29 | UN R117 : Proposal to amend the Supplement to the 02 series of amendments (superseded) | ||||||||
| Downloads | |||||||||
| UNECE server | .pdf format | .docx format | |||||||
| Excerpts from session reports related to this document | |||||||||
| WP.29 | Session 181 | 24 Jun 2020 | |||||||||