TRB’s National Cooperative Highway Research Program (NCHRP) has issued a request for proposals to develop performance measures for operational and capacity analyses of two-lane highways and develop models to produce these performance measures in a Highway Capacity Manual (HCM) context. The project will also develop or modify a simulation-based analysis method for two-lane highways and offer guidance for when to apply a simulation versus HCM methods. Proposals are due by March 4, 2014.
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