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PT Engineering developed a supplement to the traffic forecast for a proposed new interchange on I-440 that expands on the existing I-440/Ridge Road interchange in Wake County to include three additional alternatives. The forecast included utilizing the Triangle Regional Model (TRM) output (modeling completed by Clearbox Forecast Group) to develop the 2045 Future Year Build forecast for three alternatives for 35 intersections. Additionally, PTE provided 2045 No-Build and Build origin-destination matrices for all scenarios for use in the traffic simulation.

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