Orange County NC Website
DRAFT COUNTY PROFILE (DATA) ELEMENT APPENDIX <br />VOC — Volatile Organic Compounds <br />Hydrocarbon compounds such as volatile fuels and solvents that contribute to ground -level <br />ozone production. VOCs include many of the same compounds as ROGs, but ROGs are only <br />those compounds active in atmospheric photochemical reactions. <br />SECTION B6: Transportation <br />NCDOT - North Carolina Department of Transportation <br />The state department responsible for construction and maintenance of primary and secondary <br />roads across the state. <br />VMT Vehicle Miles Traveled <br />Per capita daily vehicle miles . traveled are .calculated by dividing the total miles driven by the <br />population during that year. <br />Principal Arterials: The primary traffic carrying facilities in the County; trip length and travel <br />density characteristics of substantial inter- county travel or of serving urban -type development; <br />typically would include rural freeways. <br />Minor Arterials : Major traffic - carrying facilities -which combine with the principal arterials to <br />form a network serving all cities and larger towns in the County, major traffic generators and <br />significant inter- county travel, Trip length and travel densities generally less than principal <br />arterials. <br />Collectors: Facilities that generally service infra- county travel. Provides the network connection <br />between local roads and the arterial system. Shorter lengths, lower volumes, and more land <br />access than the arterial system. <br />Local Road: Primarily serves as access to adjacent land use. Any traffic is local in nature; <br />therefore volumes and length are relatively low. The major and minor local roads comprise all <br />remaining public roads not classified as a higher function. <br />Major Local Roads - Relatively short lengths of road that provide a connection of primarily <br />residential areas to the collector and arterial systems. <br />8/16/2007 <br />