The following archived versions of the Standard Specifications for the Construction of Roads and Bridges on Federal Highway Projects (FP) are available for download.FP-14 - the current FPFP-03US Customary UnitsMetric UnitsFP-96 (Metric Units)English UnitsFP-92FP-85FP-79FP-74FP-69FP-61FP-57FP-41 - the first one officially called "FP"FP-35 - known as the FR-50-1935FP-17 - the earliest ancestor of the "FP" published in 1917 Updated: Thursday, March 24, 2022