Implementation of geographic information systems (GIS) in state DOTs an NCHRP digest of the essential findings from the interim report on NCHRP project 20-27 'Adaptation of geographic information systems for transportation' - Vonderohe, Alan.; Travis, Alan.; Smith, Robert; National Research Council (U.S.). Transportation Research Board (Washington, D.C. Transportation Research Board, National Research Council, 1991)
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Keywords: Geographic information systems; Highway departments -- United States