Lowering road noise barrier in the cities

Abstract：The noise caused by city traffic hurts people's health seriously.In this paper, the lowering noise barrier is introduced and proposed to improve traffic environment in cities, and the effect for reducing noise is evaluated by the methods of computing and testing.It has comfirmed that the lowering noise barrier is the effetive measure to solve the pollution exceeding the standard of traffic environment in the cities.This research result has provided the foundation for further studying and spreading the lowering noise barrier.

Keyword：road noise barrier;noise;traffic evironment;