UN Regulation No. 33 aims to reduce the risk of occupant injury due to deformation of the passenger compartment of passenger car (M1 category) in the event of a head-on collision. The test procedure simulates a 30 mph head-on collision with a rigid barrier in order to assess the behavior of the passenger compartment. Alternative methods are permitted provided equivalence with the prescribed test procedure can be demonstrated.
A vehicle approved under UN Regulation No. 94 is deemed to be compliant with this regulation.
| UN R33: Proposal for a Supplement 3 | |
| Reference Number: WP.29/2024/130 | |
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Proposal to update references to the three-dimensional “H” point measurement and calibration procedure pursuant to the transposition of these provisions from the Consolidated Resolution on the Construction of Vehicles (RE3) to Mutual Resolution No. 1. |
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| Meeting Sessions: 194th WP.29 session (11-15 Nov 2024) | |
| Document date: 27 Aug 24 | |
| Document status: Adopted by WP.29 | |
| Relevant to: UN Regulation No. 33 | Vehicle Behavior in Head-On Collisions | |
| Adoption Vote | |
| This proposal (WP.29/2024/130) was adopted by the World Forum. Sixteen Contracting Parties out of the 31 applying UN R33 were present for the vote by AC.1. Sixteen voted in favor with zero against and zero abstaining. | |
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| UN R33: Proposal for a Corrigendum to Revision 1 |
| Reference Number: WP.29/2009/52 |
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Proposal to amend Annex 4, Paragraph 1.2. to specify plywood boards 20 ± 2 mm thick (in place of 2 cm). |
| Meeting Sessions: 148th WP.29 session (23-26 Jun 2009) |
| Document date: 07 Apr 09 |
| Document status: Adopted by WP.29 |
| Relevant to: UN Regulation No. 33 | Vehicle Behavior in Head-On Collisions |
| Click here to view the full document file |