3 Sep 2011	NL Proposal for Amending Reg 51-3 Annex 3 (Netherlands)	GRB-50-06	2011-09-03
18 Feb 2011	Report of the 51st GRB session: Corrigendum 1	GRB-51-50/Corr.1	2011-02-18
25 Jan 2011	Monitoring Procedure in UNECE R51: Monitoring database and cost/benefit analyses (ACEA study) (ACEA)	GRB-53/GAR-01	2011-01-25
25 Jan 2011	ETRTO comments to TNO Venoliva Final Draft report (ETRTO)	GRB-53-01	2011-01-25
25 Jan 2011	Revised proposal for amendments to Regulation No. 92 (Italy)	GRB-53-02	2011-01-25
25 Jan 2011	Information for GRB regarding the ISO 3-year review of ISO 362-1:2007 (ISO)	GRB-53-03	2011-01-25
25 Jan 2011	OICA position on the introduction of the new test measurement method according to Method B in Regulation No. 51 (OICA)	GRB-53-04	2011-01-25
25 Jan 2011	Analysis of the Monitoring Data/Impact assessment of the revised Regulation No. 51 (OICA)	GRB-53-05	2011-01-25
25 Jan 2011	OICA Comments to TNO Report VENOLIVA on ECE R51 Monitoring (list by paragraph) (OICA)	GRB-53-06	2011-01-25
26 Jan 2011	Proposal for draft amendments to Regulation No. 117 (Russia)	GRB-53-07	2011-01-26
31 Jan 2011	Changes to the IG Proposal for the draft 04 series of amendments to Regulation No. 41 (GRB-2011-03) (Germany)	GRB-53-08	2011-01-31
2 Feb 2011	Proposal for guidelines on measures ensuring the audibility of hybrid and electric vehicles to be added to [R.E. 3 and/or S.R. 1]	GRB-53-09	2011-02-02
3 Mar 2011	Revised proposal for guidelines on measures ensuring the audibility of hybrid and electric vehicles	GRB-53-09/Rev.1	2011-03-03
4 Feb 2011	Hydrogen Fuel Cell Vehicles - Environment Subgroup (SGE) report summarising the findings and recommendations in the different areas addressed by the SGE in support of the harmonisation process	GRB-53-10	2011-02-04
8 Feb 2011	Proposal for draft amendments to Regulation No. 117 (Russia)	GRB-53-11	2011-02-08
8 Feb 2011	Amendments to Document GRB-2011-02	GRB-53-12	2011-02-08
11 Feb 2011	Quiet Road Transport Vehicles – Sound Locatability (CLEPA)	GRB-53-13	2011-02-11
11 Feb 2011	Amendments to Document GRB-2011-07 (OICA)	GRB-53-14	2011-02-11
15 Feb 2011	Corrigendum to document GRB-2011-08 (Netherlands)	GRB-53-15	2011-02-15
15 Feb 2011	Reproduction of the text of document GRB-2011-08 as originally sent by the Netherlands (Netherlands)	GRB-53-16	2011-02-15
15 Feb 2011	Noise emissions of moving vehicles in urban areas: Proposal to revise R51 concerning tires (OICA)	GRB-53-17	2011-02-15
18 Feb 2011	ACEA Noise Monitoring Project: Analysis of the database and proposals for vehicle categories and scenario 1 limit values (UTAC and TÜV Nord)	GRB-53-18	2011-02-18
17 Feb 2011	OICA Noise Monitoring Project: R51 monitoring procedure cost/benefit analysis (UTAC and TÜV Nord)	GRB-53-19	2011-02-17
18 Feb 2011	ECE R 51.02 Method B Data Analysis of the Monitoring Phase of ECE/EU 2007-2010 (OICA)	GRB-53-20	2011-02-18
18 Feb 2011	Update of Netherlands ASEP proposal (Netherlands)	GRB-53-21	2011-02-18
17 Feb 2011	Netherlands comments on the OICA/ACEA noise monitoring cost/benefit analysis (Netherlands)	GRB-53-22	2011-02-17
17 Feb 2011	Outcome of the meeting regarding Environmentally Friendly Vehicle Noise Parameter (India)	GRB-53-23	2011-02-17
17 Feb 2011	Proposal for draft amendments to Regulation No. 59 (CLEPA)	GRB-53-24	2011-02-17
18 Feb 2011	ASEP Database examples (ISO)	GRB-53-25	2011-02-18
18 Feb 2011	Effect of variants for an Lurban ASEP approach	GRB-53-26	2011-02-18
18 Feb 2011	Proposal for draft amendments to Regulation No. 51	GRB-53-27	2011-02-18
2 Mar 2011	Ringvergleich Geräuschmessstrecken (German only) (OICA)	GRB-53-28	2011-03-02
4 Oct 2011	YouTube video: UNECE WP.29 quiet car sound levels demonstration	GRB|2011|video	2011-10-04
1 Jun 2011	VENOLIVA - Vehicle Noise Limit Values - Comparison of two noise emission test methods – Final Report (EC and TNO)	GRB-54-01	2011-06-01
3 Sep 2011	Comments on document GRB-53-11 (ETRTO)	GRB-54-02	2011-09-03
9 Sep 2011	German Position on new limit values for 03 series of amendments to R51 (Germany)	GRB-54-03	2011-09-09
9 Sep 2011	Changes to the Italian Proposal for the 01 series of amendments to R92 (Germany)	GRB-54-04	2011-09-09
16 Sep 2011	Proposal for draft amendments to titles of UN Regulations related to vehicle and tyre noise emissions (Russia)	GRB-54-05	2011-09-16
16 Sep 2011	Discussion on draft amendments to Regulation Nos. 51, 59, and 117 (ISO)	GRB-54-06	2011-09-16
16 Sep 2011	SWOV article: "Electric Vehicles: What are the effects on road safety?" (Netherlands)	GRB-54-07	2011-09-16
15 Sep 2011	ETRTO comments on document GRB/2011/11 (ETRTO)	GRB-54-08	2011-09-15
17 Sep 2011	Draft proposal of amendments to Regulation No. 59 (CLEPA)	GRB-54-09	2011-09-17
17 Sep 2011	ISO work on rolling resistance standards (ISO)	GRB-54-10	2011-09-17
17 Sep 2011	Research into a new roadside enforcement test for moped noise (Netherlands)	GRB-54-11	2011-09-17
20 Sep 2011	Proposal amending document GRB/2011/11	GRB-54-12	2011-09-20
20 Sep 2011	Revised proposal amending document GRB/2011/11	GRB-54-12/Rev.1	2011-09-20
20 Sep 2011	Increased site to site variation due to specially designed Low Noise ISO tracks (M+P)	GRB-54-13	2011-09-20
20 Sep 2011	Proposal for subcategories of CVs (N2, N3, M2, M3) (JASIC)	GRB-54-14	2011-09-20
20 Sep 2011	Category N1 "Kei-truck" (very light truck) (JASIC)	GRB-54-15	2011-09-20
20 Sep 2011	Difference between TNO and OICA Analysis for M1 Sub Categories (JASIC)	GRB-54-16	2011-09-20
22 Sep 2011	Comments on the results and work pace of the ASEP informal group (Netherlands)	GRB-54-17	2011-09-22
22 Sep 2011	QRTV chairman's report to the GRB 54th session	GRB-54-18	2011-09-22
9 Dec 2011	EU proposal for a regulation on the sound level of motor vehicles (EC)	GRB-56/GAR-01	2011-12-09
8 Apr 2011	Report of the GRB on its 53rd session	GRB/51	2011-04-08
3 Jun 2011	Corrigendum to the report of the 53rd GRB session	GRB/51/Corr.1	2011-06-03
13 Oct 2011	Report of the GRB on its 54th session	GRB/52	2011-10-13
5 Jan 2011	Addenda to the GRB-53 agenda	GRB/2011/1/Add.1	2011-01-05
8 Jul 2011	Annotated provisional agenda for the 54th GRB session	GRB/2011/9	2011-07-08
2 Sep 2011	Annotated provisional agenda for the 54th GRB session: Addendum 1	GRB/2011/9/Add.1	2011-09-02
8 Jul 2011	Proposal for 01 series of amendments to Regulation No. 92 (Italy)	GRB/2011/10	2011-07-08
2 Sep 2011	Proposal for Supplement 1 to the 02 series of amendments to Regulation No. 117 (Russia)	GRB/2011/11	2011-09-02
12 Nov 2011	Annotated provisional agenda for the 55th GRB session	GRB/2012/1	2011-11-12