HIGHWAYS IN THE COASTAL ENVIRONMENT: NEW USA GUIDANCE

There are over 60,000 miles (100,000 km) of coastal highways in the United States (US) that occasionally exposed to waves and water levels. Wise stewardship calls for integration engineering principles practices planning design these roads bridges make them more resilient. A new, 3rd, edition primary guidance document Hydraulic Engineering Circular No. 25 (HEC-25), entitled “Highways Coastal Environment” was recently released by Federal Highway Administration (FHWA). It provides on a range issues design, operation highways. This manual should help those with little experience understand and, as appropriate, apply scientific methods approaches unique coast. For experienced engineers, this serve reference providing specific highway-oriented assistance consultation FHWA state Department Transportation projects.