Glossary of "environmental measures" technology and equipment

We aim for coexistence and harmony with the natural environment, with the aim of "creating roads that are kind to nature."

Sound insulation wall Shion

A structure that blocks the direct sound from the sound source and reduces the sound by diffraction (path difference) of the sound. The sound insulation wall is composed of foundations, columns, sound insulation plates (panels) and assembly members.

Environmental facility zone Want to , Buffer zone

It is a road site with a width of 10 to 20 m, which is located outside the roadway to preserve the living environment along the road.
As a purpose, we are installing facilities such as tree planting, sound insulation walls, sidewalks, bicycle paths, etc. to reduce the adverse effects of noise, vibration, exhaust gas, etc., and promote beautification and greening along the road.