| UN R9 Three-Wheeled Cycle Noise | Three-Wheeled Cycle Noise | Uniform Provisions Concerning the Approval of Category L2, L4 and L5 Vehicles with Regard to Noise Three-Wheeled Cycle Noise Three-Wheeled Cycle Noise UN Regulation No. 9 UN R9 | UNR | 9 | |
| UN R28 Audible Warning Devices | Audible Warning Devices and Signals | Uniform Provisions Concerning the Approval of Audible Warning Devices and of Motor Vehicles with regard to their Audible Signals Audible Warning Devices Audible Warning Devices and Signals UN Regulation No. 28 UN R28 | UNR | 28 | |
| UN R30 Pneumatic Tires | Pneumatic Tires | Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Vehicles and their Trailers This rule applies primarily, but not exclusively, to tires for use on passenger cars and their trailers. Pneumatic Tires Pneumatic Tires UN Regulation No. 30 UN R30 | UNR | 30 | |
| UN R41 Motorcycle Noise | Motorcycle Noise | Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise The proposal for the 04 series of amendments, adopted at the June 2011 Forum session, will be posted as Revision 2 to the regulation pursuant to the completion of administrative formalities. Motorcycle Noise Motorcycle Noise UN Regulation No. 41 UN R41 | UNR | 41 | |
| UN R51 Vehicle Noise | Vehicle Noise Emissions | Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Vehicle Noise Vehicle Noise Emissions UN Regulation No. 51 UN R51 | UNR | 51 | |
| UN R54 CV Tires | Commercial Vehicle Tyres | Uniform Provisions Concerning the Approval of Pneumatic Tyres for Commercial Vehicles and their Trailers CV Tires Commercial Vehicle Tyres UN Regulation No. 54 UN R54 | UNR | 54 | |
| UN R59 Replacement Silencing Systems | Replacement Silencing Systems | Uniform Provisions Concerning the Approval of Replacement Silencing Systems Replacement Silencing Systems Replacement Silencing Systems UN Regulation No. 59 UN R59 | UNR | 59 | |
| UN R63 Moped Noise | Two-wheeled Moped Noise | Uniform Provisions Concerning the Approval of Two-wheeled Mopeds with regard to Noise Moped Noise Two-wheeled Moped Noise UN Regulation No. 63 UN R63 | UNR | 63 | |
| UN R64 Spare Tires | Temporary-use Tires | "Uniform provisions concerning the approval of vehicles with regard to their equipment which may include: a temporary- use spare unit, run-flat tyres. Spare Tires Temporary-use Tires UN Regulation No. 64 UN R64 | UNR | 64 | |
| UN R75 Motorcycle Tires | Motorcycle and Moped Tires | Uniform Provisions Concerning the Approval of Pneumatic Tyres for Motor Cycles and Mopeds Motorcycle Tires Motorcycle and Moped Tires UN Regulation No. 75 UN R75 | UNR | 75 | |
| UN R88 Moped Retro-reflective Tires | Retro-reflective Tires for Two-wheeled Vehicles | Uniform Provisions Concerning the Approval of Retro-reflective Tyres for Two-wheeled Vehicles Moped Retro-reflective Tires Retro-reflective Tires for Two-wheeled Vehicles UN Regulation No. 88 UN R88 | UNR | 88 | |
| UN R92 Motorcycle RESS | Replacement Exhaust Silencing Systems for Motorcycles | Uniform Provisions Concerning the Approval of Non-Original Replacement Exhaust Silencing Systems (RESS) for Motorcycles, Mopeds and Three-wheeled Vehicles Motorcycle RESS Replacement Exhaust Silencing Systems for Motorcycles UN Regulation No. 92 UN R92 | UNR | 92 | |
| UN R106 Agricultural Tires | Tires for Agricultural Vehicles | Uniform Provisions Concerning the Approval of Pneumatic Tyres for Agricultural Vehicles and their Trailers Agricultural Tires Tires for Agricultural Vehicles UN Regulation No. 106 UN R106 | UNR | 106 | |
| UN R108 Retreaded Tires | Retreaded Tires for Motor Vehicles | Uniform Provisions Concerning the Approval for the Production of Retreaded Pneumatic Tyres for Motor Vehicles and their Trailers Retreaded Tires Retreaded Tires for Motor Vehicles UN Regulation No. 108 UN R108 | UNR | 108 | |
| UN R109 CV Retreaded Tires | Retreaded Tires for Commercial Vehicles | Uniform Provisions Concerning the Approval for the Production of Retreaded Pneumatic Tyres for Commercial Vehicles and their Trailers CV Retreaded Tires Retreaded Tires for Commercial Vehicles UN Regulation No. 109 UN R109 | UNR | 109 | |
| UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance | Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance Tire Noise, Wet Adhesion, and Rolling Resistance Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance UN Regulation No. 117 UN R117 | UNR | 117 | |
| UN R138 Quiet Road Transport Vehicles | Quiet Road Transport Vehicles | Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV) This Regulation requires an "audible vehicle alerting system" (AVAS) to reduce the risk of collisions with vulnerable road users unable to aurally detect the presence of electrified vehicles. Quiet Road Transport Vehicles Quiet Road Transport Vehicles UN Regulation No. 138 UN R138 | UNR | 138 | |
| UN R142 Tyre Installation | Tyre Installation | Regulation on uniform provisions concerning the approval of motor vehicles with regard to the installation of their tyres (tentative title pending regulation development) Tyre Installation Tyre Installation UN Regulation No. 142 UN R142 | UNR | 142 | |
| UN R165 Reversing Warning | Audible Reversing Warning Systems | At the 168th WP.29 session (March 2016), Turkey proposed a new UN Regulation to establish requirements for audible alerting devices to signal other road users when a vehicle is moving in reverse at slow speeds. WP.29 referred this proposal to GRB for consideration. Reversing Warning Audible Reversing Warning Systems UN Regulation No. 165 UN R165 | UNR | 165 |