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Web-Only Document 98: Final Report for NCHRP Report 574: Guidance for Cost Estimation and Management for Highway Projects During Planning, Programming, and Preconstruction National Cooperative Highway Research Program Stuart Anderson Texas Transportation Institute College Station, TX Keith Molenaar University of Colorado Boulder, CO Cliff Schexnayder Des E. Web School of Construction Arizona State University Tempe, AZ Contractorâs Final Report for NCHRP Project 8-49 Submitted September 2006 NCHRP