This NBS is designed to reduce the traffic noise that arrives at the homes on thestreet. On the one hand, the green noise barriers have a specific geometry thatfavors sound reflection and on the other hand, they have a vertical gardenmodules with a specific substrate that favors sound absorption.
The green noise barriers are built with:
The dimensions of this NBS depend on the geometry of the structure (straight,curved or both) the height of residential buildings and the width of the street.
This NBS creates some modifications in the environment so there are some disadvantages of removing it in the future.
The period of recovery of the initial economic investment of the NBS is between 10 and 20 years.