NCLOS Program 2010 Update
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2013-06-01
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS;NTL-PLANNING AND POLICY-PLANNING AND POLICY;
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Abstract:The North Carolina Level of Service (NCLOS) program is a planning-level highway capacity analysis tool developed for NCDOT under a previous project. The program uses the operational methodologies in the 2010 Highway Capacity Manual (HCM), along with specific default parameters from North Carolina data, to determine level-of-service (LOS) threshold “capacities” for freeways, multilane highways, two-lane highways and arterial streets. The program is unique in that it provides a graphical display of the measure of effectiveness (MOE) plotted against AADT for each facility type. Users see best case, default case, and worst case curves, plus a highlighted curve for the LOS selected for the analysis. The focus of this effort was to provide technical support to NCDOT programmers who re-programed NCLOS and analyze NCDOT traffic data for the development of default values and input limitations.
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