CEN/TC 226
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 72918 | LVS EN 1793-1:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions | Standarts spēkā |
| 72917 | EN 1793-3:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum | Standarts spēkā |
| 72917 | LVS EN 1793-3:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum | Standarts spēkā |
| 72916 | EN 1793-4:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction | Standarts spēkā |
| 72916 | LVS EN 1793-4:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - Intrinsic sound diffraction | Standarts spēkā |
| 72915 | EN 1793-5:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions | Standarts spēkā |
| 72915 | LVS EN 1793-5:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions | Standarts spēkā |
| 72914 | EN 1793-2:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions | Standarts spēkā |
| 72914 | LVS EN 1793-2:2025 | Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics - Airborne sound insulation under diffuse sound field conditions | Standarts spēkā |
| 71757 | - | Road equipment – Interactions between automated vehicles and road infrastructure – Gap and overlap analysis for road equipment in digital geographic infrastructure standards for connected and automated vehicles | Izstrādē |
Displaying 51-60 of 427 results.