| Exterior Acoustic Signalling | Exterior Acoustic Signalling Exterior Acoustic Signalling WP.29 Discussion Topic Exterior Acoustic Signalling |
| Vehicle Interior Noise Levels | This topic was raised by the Russian Federation during the September 2014 GRB session. Russia explained to the GRB that a new regulation on interior noise of vehicles would come into force from January 2015 within the Eurasian Customs Union (Russia, Belarus, Kazakhstan, Kyrgyzstan, and Tajikistan). Russia urged the GRB to revisit a previous recommendation to develop in coordination with ISO a uniform test method for measuring vehicle interior noise levels. Interior Noise Vehicle Interior Noise Levels WP.29 Discussion Topic Interior Noise |
| Quiet Road Transport Vehicles | Formal title to be determined. QRTV-GTR Quiet Road Transport Vehicles WP.29 Discussion Topic QRTV-GTR |
| Road Surface Labeling Recommendations | Pursuant to a Dutch program to label road surfaces with regard to noise reduction, wet skid resistance, rolling resistance, and lifespan (durability), the Working Party on Noise is considering the establishment of a non-binding resolution or recommendation. Road Surface Labeling Road Surface Labeling Recommendations WP.29 Discussion Topic Road Surface Labeling |
| Vehicle Sound | Vehicle Sound Vehicle Sound WP.29 Discussion Topic Vehicle Sound |