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Gis Based Pavement Maintenance: A Systematic Approach, Robert J. Kmetz
Gis Based Pavement Maintenance: A Systematic Approach, Robert J. Kmetz
Purdue Polytechnic Directed Projects
Abstract
According to 2008 Federal Highway Administration (FHWA) statistics, there are 2,734,102 miles of paved public roads in the United Sates, with an additional 1,324,245 miles of unpaved public roads. Road conditions deteriorate with time as the result of weather effects, deicing salts, and vehicle loads. The most common pavement distress includes cracking, rutting, and potholes. These pavement defects must be repaired to restore the pavement to a satisfactory service level for road users. According to the FHWA, in 2006 approximately $54.2 billion dollars was spent on maintenance and expansion, just on U.S. highways alone.
Routine maintenance is a cost …