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Functional Classifications <br />The quantity and associated vehicle weight of traffic using streets is a critical factor affecting the rate <br />at which pavement and roadbeds deteriorate. Eugene divides streets into five categories called <br />functional classifications (FC), each representing a different volume and type of vehicular usage. <br />Major Arterial (FC -1): Major Arterials are usually four or more lanes and generally connect <br />various parts of the region with one another within the city and with the "outside world ". They <br />serve as major access routes to regional destinations such as downtowns, universities, airports, <br />and similar major focal points within the urban area. Major Arterials typically carry an average of <br />more than 20,000 vehicles per day. Major Arterials receive high priority maintenance. <br />Minor Arterial (FC 2): Minor Arterials are typically two or three lanes. These streets provide the <br />next level of urban connectivity below major arterials. In most cases their main role tends to be <br />serving intra -city mobility. Minor Arterials carry between 7,500 and 20,000 vehicles per day. <br />Minor Arterials receive priority maintenance. <br />Major Collector (FC -3): Major Collectors can be found in residential, commercial, and industrial <br />areas. They typically carry between 2,500 and 7,500 vehicles per day. Major Collectors have a <br />higher priority for maintenance than local streets. <br />Neighborhood Collector (FC -4): Neighborhood Collectors are found only in residential <br />neighborhoods and provide a high degree of access to individual properties in a neighborhood. <br />They typically carry between 1,500 and 2,500 vehicles per day. <br />Local (FC -5): Local streets provide access to individual properties along the roadway. They are <br />narrow, slow- speed, and low - volume service facilities. They typically carry fewer than 1,500 <br />vehicles per day, and receive low priority maintenance. Local streets are also referred to as <br />Residential streets. <br />The following graph illustrates both centerline miles and lane miles by improvement type and <br />functional classes. <br />Mileage by Functional Class - Improved and Unimproved <br />1300 <br />1200 <br />1100 <br />1000 <br />900 <br />800 <br />700 <br />600 <br />500 <br />400 <br />300 <br />200 <br />100 <br />Major <br />Minor <br />Collector <br />Neigh. <br />Local <br />Total <br />Arterial <br />Arterial <br />Collector <br />*Improved 12' lane miles <br />62 <br />223 <br />104 <br />67 <br />767 <br />1223 <br />â– Unimproved 12'lane miles <br />0 <br />2 <br />6 <br />9 <br />89 <br />106 <br />*Improved centerline miles <br />15 <br />67 <br />34 <br />26 <br />327 <br />469 <br />OUnimproved centerline miles <br />0 <br />1 <br />3 <br />4 <br />57 <br />65 <br />