Monday, 2 February 2026
Week 06
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Upcoming Meetings
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Automotive Life Cycle Assessment | Session 34 | 2 Feb
Event Data Recorders and Data Storage Systems for Automated Driving | Se...
Task Force on Autonomous Vehicle Signalling Requirements | Session 29 | ...
Wet Grip on Worn Tyres | Session 72 | 3 Feb
Special Interest Group on Emergency Door Openings | Session 4 | 3-5 Feb
Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems | Session 6 | 3...
Task Force on Glare Prevention | Session 6 | 3 Feb
Simplification of Lighting and Light-Signalling Regulations | Session 76...
Informal Working Group on Artificial Intelligence | Session 6 | 5-6 Feb
Task Force on Vehicle Sound Limits | Session 19 | 9 Feb
Informal Working Group on Automated Driving Systems | Session 19 | 9-13 ...
Working Party on Noise and Tyres | Session 83 | 10-13 Feb
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World Forum for the Harmonization of Vehicle Regulations
Session 180
9-12 Mar 2020 | Geneva
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Download: WP.29/1151
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18.4. UN GTR No. 4 (Worldwide Heavy-Duty vehicle emission test Cycle (WHDC))