The level of service is a mechanism used by highway departments to determine if a road is operating at ideal, average, or poor efficiency. Termed level of service, each highway is given a grade from A to F that indicates how well the roadway is serving its intended traffic. Roads with a level of service "F" are generally the ones with major traffic issues and are generally prioritized for improvements and innovations to make the roadway better.
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Cofounder of AARoads.com. Webmaster of both AARoads and Interstate-guide.com. Former cartographer for Mapsource, Inc. and Universal Map Group, LLC. Map specialist for GIS Cartography & Publishing Services.
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