What does it cover?
UN R111 addresses rollover stability of N2, N3, O3 and O4 tank vehicles carrying dangerous goods within ADR. Vehicle and tank characteristics, mass distribution and stability assessment are examined within the same approval subject.
Who is it for?
For vehicle manufacturers, suppliers developing the relevant systems and test or approval teams.
Which subjects are addressed?
- N2, N3, O3 and O4 tank vehicles
- Tank geometry and mass distribution
- Rollover stability assessment
Common question
Does R111 provide general approval for every tanker?
No. It concerns rollover stability of the specified dangerous-goods tank vehicles. It does not replace other vehicle or carriage requirements.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R111 — UN Regulation No. 111
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.