Transportation Infrastructure: Better Data Needed to Rate the Nation's Highway Conditions

A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO provided information on federal and state efforts to assess the conditions of the nation's highways, focusing on: (1) the uses the Federal Highway Administration (FHwA), the states, and others make of the International Roughness Index to assess highway conditions; (2) the consistency and accuracy of state-reported data on highway roughness; and (3) FHwA's efforts to improve the data across states.