What does it cover?
UN R164 addresses snow performance of new studded pneumatic tyres in classes C1, C2 and C3. Tyre type, test conditions and performance assessment are defined together. Temporary-use, competition and specified size or speed groups are excluded.
Who is it for?
For tyre and related equipment manufacturers, retreaders and technical teams preparing tyre tests.
Which subjects are addressed?
- Studded C1, C2 and C3 tyres
- Snow performance testing
- Size, speed and use exclusions
Common question
Does R164 cover every winter tyre?
No. It focuses on snow performance of new studded tyres. Non-studded winter tyres and excluded uses do not share the same assessment scope.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R164 — UN Regulation No. 164
Working series: 00 · Included supplement: 1
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.