
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. Intrinsic sound diffraction.
STANDARD published on 13.1.2026
Designation standards: BS EN 1793-4:2025
Publication date standards: 13.1.2026
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 25633 8 Status: Definitive