№ lp_1_2_75934
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Regulatory amendment proposal within the UN vehicle type approval framework addressing noise emission requirements, definitions, test procedures and transitional provisions for internal combustion, electric and hybrid vehicles, including enhanced exterior sound and ASEP applicability.
United Nations body:
Economic Commission for Europe
Committee:
Inland Transport Committee
Forum:
World Forum for Harmonization of Vehicle Regulations
Working Party:
Working Party on Noise and Tyres (GRBP)
Session:
Eighty-third session
Session location:
Geneva
Session dates:
10–13 February 2026
Document symbol:
ECE/TRANS/WP.29/GRBP/2026/4
Distribution:
General
Date of issue:
27 November 2025
Original language:
English
Agenda item:
Item 3 of the provisional agenda
Regulation concerned:
UN Regulation No. 51
Subject matter:
Vehicle noise emission
Vehicle categories:
M and N
Technical scope:
Enhanced Exterior Sound (EES), Additional Sound Emission Provisions (ASEP)
Vehicle types addressed:
Internal combustion engine vehicles, electric vehicles, hybrid electric vehicles
Submitting body:
Subgroup on UN Regulations Nos. 51 and 138
Type of document:
Regulatory amendment proposal
Amendment series:
03 series of amendments
Supplement number:
11
Transitional provisions:
Proposed options for applicability to existing type approvals
Regulatory references:
UN Regulation No. 138
Approval context:
UN type approval
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The product description is provided for reference. Actual content and formatting may differ slightly.
Note:
Year
Project Type:
Equipment purchase
Environmental Document:
PM (CATEX)
FHWA Funds:
No
Federal Permit:
No
Project Location:
St. Paul, MN
Road Type:
TH, CSAH, County Road, Township Road, MSAS, City Street, Trail
Description:
Equipment purchase for recreational trail program, with environmental review for noise and endangered species.
Year:
2020
Region / City:
Washington State
Theme:
Traffic Noise Analysis and Mitigation
Document Type:
Policy and Procedures
Agency:
Washington State Department of Transportation (WSDOT)
Author:
Washington State Department of Transportation (WSDOT)
Target Audience:
State and local transportation agencies, environmental planners, contractors
Period of Application:
Ongoing
Approval Date:
March 2020
Revision Date:
Not specified
Year:
2024
Region / City:
Colorado
Topic:
Traffic Noise Analysis
Document Type:
Technical Report
Organization / Institution:
Colorado Department of Transportation
Author:
[Firm Name]
Target Audience:
CDOT noise specialists, project managers
Period of Validity:
July 2024 and beyond
Approval Date:
[Date of Report]
Amendment Date:
[Any changes if applicable]
Year:
2026
Region / City:
United Kingdom
Subject:
Noise Management
Document Type:
Template
Organization:
Environment Agency
Author:
Environment Agency
Target Audience:
Site operators, Environmental Agency officers, contractors
Effective Period:
N/A
Approval Date:
N/A
Amendment Date:
N/A
Year:
2023
Region / City:
Northern Canadian Cordillera
Topic:
Seismology, Geophysics
Document Type:
Research Article
Author:
Derek L. Schutt, Robert W. Porritt, Clément Estève, Pascal Audet, Jeremy Gosselin, Andrew Schaeffer, Richard C. Aster, Jeffrey T. Freymueller, Joel F. Cubley
Target Audience:
Geophysicists, Seismologists, Researchers in Earth Sciences
Period of Validity:
Not specified
Approval Date:
Not specified
Date of Changes:
Not specified
Note:
Year
Theme:
Noise Management
Document Type:
Advisory Note
Organization / Institution:
North Somerset Council
Target Audience:
Licensed premises, event organizers, and local authorities
Note:
Year
Year:
2025
Region / city:
Geneva
Topic:
Vehicle Noise Regulations
Document Type:
Proposal
Organization / Institution:
Economic Commission for Europe
Author:
Subgroup on UN Regulations Nos. 51 and 138
Target audience:
UN member states, vehicle manufacturers, regulatory authorities
Effective period:
Ongoing
Approval date:
27 November 2025
Date of amendments:
Not specified
Note:
Year
Subject:
Noise pollution
Document Type:
Educational material
Target audience:
4th-year students
Note:
Year
Subject:
Traffic Noise, Noise Barriers
Document Type:
Evaluation Report
Year:
2024
Region / city:
Geneva
Topic:
Tyre regulation, wet grip performance
Document type:
Proposal
Organization / institution:
United Nations Economic Commission for Europe, Inland Transport Committee
Author:
Informal Working Group on Wet Grip Performance for Tyres in a Worn State
Target audience:
Contracting parties applying UN Regulation No. 117
Period of validity:
Until 6 July 2026
Approval date:
17 June 2024
Amendment date:
17 June 2024
Year:
2025
Note:
Region / City
Subject:
Cognitive interference, listening effort, noise effects
Document Type:
Registered Report
Author:
Janna W. Wennberg, Naseem H. Dillman-Hasso, Violet A. Brown, Julia F. Strand
Target Audience:
Researchers in cognitive science and auditory processing
Year:
2022
Region / City:
Jacksonville
Topic:
Noise Variance
Document Type:
Order
Agency / Organization:
Environmental Protection Board of the City of Jacksonville
Author:
David Wood, Chairman
Target Audience:
Public, Local Authorities, Environmental Protection Board
Period of Validity:
Until August 31, 2022
Approval Date:
May 17, 2022
Date of Changes:
None
Context:
Order approving a noise variance application for construction activities at 3695 San Pablo Parkway, Jacksonville, permitting nighttime and daytime construction equipment operation exceeding noise limits under specific conditions.
Year:
2026
Region / City:
Dublin, OH, USA
Subject:
Sound-absorbing ceiling baffles
Document Type:
Technical Specification
Organization / Institution:
Kinetics Noise Control, Inc.
Manufacturer Contact:
PO Box 655, 6300 Irelan Place, Dublin, OH 43017; Phone: (614) 889-0480; Fax: (614) 889-0540; E-mail: [email protected]
Standards Referenced:
ASTM C423, ASTM E84, ASTM E795, CDPH Standard Method v1.2
Performance Requirements:
Flame Spread ≤ 25, Smoke Developed ≤ 450, VOC compliance in private office, classroom, single-family residence
Product Dimensions:
kBow Baffles, 48×9×7-1/2 in, 95×9×7-1/2 in, custom sizes available
Mounting Options:
Threaded Rod, Cable Gripper, Coupling Nut
Delivery and Storage:
Original, unopened containers; protected from environmental hazards; temperature 16–27 °C, RH 35–55%
Installation Conditions:
Complete wet work, enclosed building, stabilized temperature and humidity
Submittals:
Product data, shop drawings, samples, test reports
Year:
2025
Region / City:
UK
Topic:
Library Classification, Information Systems
Document Type:
User Guide
Institution:
Book Industry Communication Ltd.
Author:
Howard Willows
Target Audience:
Libraries, Data Providers, Book Industry Professionals
Period of Validity:
August 2025
Approval Date:
August 2025
Date of Changes:
August 2025
Year:
2013
Region / City:
United States
Topic:
Energy efficiency standards for heating and cooling products
Document Type:
Technical standards document
Organization / Institution:
Federal Energy Management Program (FEMP)
Author:
Not specified
Target Audience:
Manufacturers and suppliers of heating and cooling equipment
Period of Validity:
Ongoing (as of 2013)
Approval Date:
2013
Amendment Date:
Not specified
Year:
1999
Region / City:
New Zealand
Subject:
Risk Management Programme Registration
Document Type:
Application Form
Organ / Institution:
Ministry for Primary Industries (MPI)
Author:
Not specified
Target Audience:
Dairy processors, poultry producers, food safety professionals
Period of Validity:
Not specified
Approval Date:
Not specified
Amendment Date:
Not specified
Year:
2025
Region / City:
Not specified
Theme:
Awards, Employee Recognition
Document Type:
Nomination Guidelines
Organization:
CCN
Author:
Not specified
Target Audience:
Employees and Nominees
Period of validity:
2025
Date of approval:
Not specified
Date of changes:
Not specified