Imagine a winding, switch-backed highway, running along a picturesque canyon down to a bluff overlooking the Pacific Ocean.Now picture a major rainstorm creating landslides along the canyon wall, soil and debris piling up in the canyon bottom, and water overflowing and taking out whole sections of the roadway, destroying access to critical neighborhoods and government facilities.That’s the scenario that prompted the Department of Public Works in Rancho Palos Verdes, California, to spearhead an award-winning project that now protects the San Ramon Canyon by diverting storm flow into a series of pipes that discharge through a new outfall structure into the




















