The Ohio Department of Transportation is replacing a wooden sound barrier along I-75 in Perrysburg with concrete after a high ...

An curved arrow pointing right. Most people think that the walls alongside highways, often made of concrete, brick, or wood, are for crash safety or privacy. But those walls were actually ...

WSP set the framework for this integrative noise barrier, utilizing a straightforward yet highly effective design. The base concrete panel stands at a consistent 10 feet in height, with ...