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Street Classification Types <br />The following section describes the function of the <br />various arterial and collector street types found in <br />Eugene. <br />Arterial Streets <br />The primary function of arterial streets is to provide a <br />high degree of vehicular mobility; however, they <br />may also serve a minor role to provide land access. <br />The nature of arterial streets dictates that their <br />designs typically limit property access and on-street <br />parking to improve traffic capacity for through traffic. <br />Arterial streets are used as primary bicycle, pedes- <br />trian, emergency response routes and transit routes. <br />There are two classifications of urban arterial streets: <br />major arterial and minor arterial. Because the <br />function of both types is similar, the designs of major <br />and minor arterials are usually also similar. Excep- <br />tions to this rule are freeways and expressways. <br />While freeways and expressways are typically <br />classified as major arterials, they have unique <br />geometric criteria that control their design, and <br />highly regulated access controls that limit access to <br />adjacent land uses. <br />Franklin Boulevard is an <br />example of a Major Arterial <br />Major Arterials <br />On a statewide level, the most important high- <br />ways and roads that connect cities to one another <br />are usually designated as major arterials (or <br />sometimes principal arterials). Within Oregon, the <br />principal arterials comprise the Interstate High- <br />ways and a number of other State Highways. <br />Major arterials continue through cities and towns, <br />and become the primary "arteries" for intra-urban <br />movement within the larger cities, as well as <br />providing for through traffic and for travel from <br />the city to outside destinations. One of the key <br />characteristics of urban major arterials is therefore <br />the high degree of connectivitythey provide <br />within the urban area. These streets and highways <br />typically connect various parts of the region with <br />one another and with the "outside world," and <br />serve as major access routes to regional destina- <br />tions such as downtowns, universities, airports, <br />regional shopping centers, and similar major focal <br />points within the urban area. <br />Within Eugene-Springfield, most of the State <br />Highways function as major arterials. The state <br />routes are augmented by a few city and county <br />roads which provide a similar level of mobility <br />29 <br />