UN R117: Proposal for the 04 series of amendments
Download in .pdf format
Download in .docx format
Proposal to introduce a new definition of traction elements to characterize traction tyres.
16 June 2022
Proposal Status: Formal GR review
GRBP-70-19 | New traction definition
GRBP-76-31 | UN R117: Proposal to amend the proposal for 04 series of amendments