5 Feb 2012 CEDR Project Group Noise: Value for Money in Noise Abatement (Norway) GRB-55-07 2012-02-05 Presentation by the Norwegian Public Roads Administration on noise abatement activities of the Conference of European Directors of Roads. Norway
17 Jun 2022 UN R51: Proposal for a corrigendum to document WP29/2022/84 (France, Germany, Norway, and OICA) WP.29-187-07 2022-06-17 Proposal to specify that Supplement 7 does not apply to type approvals issued prior to its entry-into-force. France Germany Norway OICA