General
EFL Escalation Factors (Price Indexes)
This section provides monthly price data for projects that contain a contract provision for asphalt cement and/or fuel price adjustments.
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Federal Highway Administration (FHWA)
WFL Estimating Handbook
Updated: 12-Dec-2025
This manual provides guidance for developing estimates at the various project milestones, selecting bid items and methods of measurement, rounding, and presenting quantities, and pricing item work. WFLHD staff and consultants use this manual when pricing work or...