Working Party
Working Party on Brakes and Running Gear (GRRF)

Reports to: WP.29
Session 69 31 Jan-4 Feb 2011 69 2011-01-31
Session 70 12-13 May 2011 70 2011-05-12
Session 68 21-23 Sep 2010 68 2010-09-21
Session 67 2-5 Feb 2010 67 2010-02-02
Session 66 15-17 Sep 2009 66 2009-09-15
Session 71 13-15 Sep 2011 71 2011-09-13
Session 63 4-8 Feb 2008 63 2008-02-04
Session 65 2-6 Feb 2009 65 2009-02-02
Session 64 16-19 Sep 2008 64 2008-09-16
Session 72 20-24 Feb 2012 72 2012-02-20
Session 73 18-20 Sep 2012 73 2012-09-18
Session 74 19-22 Feb 2013 74 2013-02-19
Session 75 17-19 Sep 2013 75 2013-09-17
Session 76 17-21 Feb 2014 76 2014-02-17
Session 78 16-19 Sep 2014 78 2014-09-16
Session 56 20-22 Sep 2004 56 2004-09-20
Session 77 26 Jun 2014 77 2014-06-26
Session 79 16-20 Feb 2015 79 2015-02-16
Session 80 15-18 Sep 2015 80 2015-09-15
Session 81 1-5 Feb 2016 81 2016-02-01
Session 82 20-23 Sep 2016 82 2016-09-20
Session 83 23-27 Jan 2017 83 2017-01-23
Session 84 19-22 Sep 2017 84 2017-09-19
Session 86 12-16 Feb 2018 86 2018-02-12
Session 85 11 Dec 2017 85 2017-12-11
Recent documents submitted to GRRF
2018 2017 2016 4+ years ago Show all 981 documents (This may take some time)
Groups reporting to GRRF
Please note that some groups may no longer be active.
ACDC Agricultural Coupling Devices and Components Last session: November 2017 Latest session 2017
ACV Informal Group on Automated Connections Between Vehicles Last session: April 2013 Latest session 2013
AEBS/LDWS Informal Group on Advanced Emergency Braking and Lane Departure Warning Systems Last session: January 2013 Latest session 2013
AMEVSC Informal Group on an Alternative Method for Assessing Electronic Vehicle Stability Control Systems Last session: December 2012 Latest session 2012
LKAS Lane Keeping Assist System Ad Hoc Group Last session: June 2015 Latest session 2015
MVC Modular Vehicle Combinations Last session: January 2020 Latest session 2020
R55 Informal Group on Amendments to UN R55.01 Last session: April 2016 Latest session 2016
STD Joint GRRF/GRB informal group on Special Tyre Definitions Last session: August 2009 Latest session 2009
TPM Informal Working Group on Tyre Pressure Monitoring Last session: November 2008 Latest session 2008
Subjects directly under GRRF
Please note that some items may no longer be active.
Automated Driving Last updated: June 2020 Program
GTR No. 3 Motorcycle Brakes Last updated: March 2020 GTR 3
GTR No. 8 ESC Systems Last updated: April 2020 GTR 8
GTR No. 16 Tires Last updated: March 2020 GTR 16
LKAS Last updated: June 2016 Program
UN R13 Heavy-Duty Braking Last updated: April 2020 UNR 13
UN R13-H Light Vehicle Braking Last updated: February 2020 UNR 13
UN R30 Pneumatic Tires Last updated: June 2020 UNR 30
UN R54 CV Tires Last updated: June 2020 UNR 54
UN R55 Mechanical Couplings Last updated: January 2020 UNR 55
UN R64 Spare Tires Last updated: January 2020 UNR 64
UN R75 Motorcycle Tires Last updated: June 2020 UNR 75
UN R78 Motorcycle Braking Last updated: April 2020 UNR 78
UN R79 Steering Equipment Last updated: April 2020 UNR 79
UN R89 Speed Limitation Devices Last updated: April 2018 UNR 89
UN R90 Replacement Brake Components Last updated: December 2019 UNR 90
UN R102 Close-Coupling Devices Last updated: March 2015 UNR 102
UN R106 Agricultural Tires Last updated: June 2020 UNR 106
UN R108 Retreaded Tires Last updated: April 2020 UNR 108
UN R109 CV Retreaded Tires Last updated: April 2020 UNR 109
UN R111 Tank Vehicle Stability Last updated: March 2015 UNR 111
UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance Last updated: June 2020 UNR 117
UN R124 Passenger Car/Trailer Wheels Last updated: June 2020 UNR 124
UN R130 Lane-departure Warning Last updated: November 2019 UNR 130
UN R131 Advanced Emergency Braking Last updated: March 2020 UNR 131
UN R139 Brake Assist Systems Last updated: November 2019 UNR 139
UN R140 ESC Systems Last updated: April 2020 UNR 140
UN R141 Tire Pressure Monitoring Systems Last updated: June 2020 UNR 141
UN R142 Tyre Installation Last updated: June 2020 UNR 142
UN R147 Agricultural vehicle couplings Last updated: April 2018 UNR 147