Noise emissions of road vehicles effect of regulations: Final Report 01-1

This report presents a study with the principal objective of obtaining a global view of the effect of the vehicle noise regulations on road traffic noise. The study has included assessments of the development of vehicle noise emission limits over the past 30 years, the most important noise reduction measures on vehicles, changes in vehicle noise emissions over the past 30 years for various categories of road vehicles and for various driving conditions, expected effectiveness of planned changes in vehicle-related noise emission limits, and the reasons why the effectiveness of the regulations have not matched the intended effects. Based on the findings, recommendations for consideration in future noise emission regulations are given.