Subsurface Utility Engineering

Welcome to the Federal Highway Administration (FHWA) Web site on Subsurface Utility Engineering (SUE). For many years, the inability to obtain reliable underground utility information has been a troublesome problem for highway designers in the United States. Now, there is a solution - Subsurface Utility Engineering.

This site covers four major topics. The first topic is basic information about SUE, including a description, activities, quality levels, benefits, history, proper use when performed by an engineer, case studies, tips for selecting a provider, other applications, and more. The second topic contains sample SUE documents, including a State Request For Letters of Interest, a State Request For Proposals (RFP), and a State/Consultant Agreement. The third topic contains a list of related Web sites. The final topic is recent SUE information.