Drivers in the New Orleans Uptown area can expect road closures and traffic delays through the weekend as Department of Public Works crews install heavy concrete barriers along St. Charles Avenue. The ...

What are precast retaining walls used for? A HelloNation article featuring Stephanie Ward of Columbia Precast Products in Vancouver, WA, answers this question by showing how precast retaining walls ...

Although the practice of using a concrete barrier down the center of a roadway to separate opposing traffic dates back to the mid-1940s, the practice seems really to have gained steam when, in 1955, ...