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PT Engineering developed a traffic forecast for the proposed improvements along US 421 from I-95 to SR 2718 (Erwin Road) in Harnett County. The forecast included utilizing North Carolina Statewide Model (NCSTM) output to develop a 2018 Base Year No-Build, 2040 Future Year No-Build, the 2040 Future Year Build forecast for two alternatives (including a one-way pair alternative) for eighteen intersections.

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