Registration number (WIID)Project No.TitleStatus
37137prEN 1793-4Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffractionIzstrādē
37135FprEN 12899-6Fixed, vertical road traffic signs - Part 6: Performance of retroreflective sign face materialsIzstrādē
40405prEN 12899-3 revFixed, vertical road traffic signs - Part 3: Delineator posts and retroreflectorsIzstrādē
40406prEN 12899-4 revFixed, vertical road traffic signs - Part 4: Factory production controlIzstrādē
29161FprEN 1790Road marking materials - Preformed road markingsIzstrādē
63329prEN 1463-3Road marking materials - Part 3: Active road studsIzstrādē
70344CEN/TS 17812:2022Determination of the acoustic properties of markings - The CPX measurement methodIzstrādē
34478prEN 14389-1 revRoad traffic noise reducing devices - Procedures for assessing long term performance - Part 1: Acoustical characteristicsIzstrādē
60881-Road restraint systems — Determination of collision forces on bridges as a result of an impact of a vehicle on a restraint systemIzstrādē
31555-Computational mechanicsIzstrādē
Displaying 51-60 of 423 results.