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