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2.0 METHODOLOGY <br />2.1 INVENTORY <br />All streets within the City are categorized as either arterial or local streets and are grouped as <br />such into their respective networks; collectively they comprise the entire pavement network. <br />Within each network, the streets are ranked based on their functional classifications (refer to <br />Section 3.0 Pavement Network) and are assigned a letter that corresponds with the rank. In the <br />case of the arterial network, the letter 'B' is assigned to major arterial streets, the letter 'P' is <br />assigned to primary arterial streets, the letter'S' is assigned to secondary arterial streets. These <br />streets are considered "Arterial" functional classification within StreetSaver. The letter 'C' is <br />assigned to collector arterial streets which is considered "Collector" functional classification in <br />StreetSaver. In the case of the local network, the letters 'E' and 'I' are assigned to residential <br />and non-residential streets, respectively, both of which fall within "Residential/Local" functional <br />classification umbrella in StreetSaver. StreetSaver functional classes follow the guideline as <br />shown in the Federal Highway Administration's (FHWA) "Functional Classification Concepts, <br />Criteria and Procedures" 2013 edition. <br />Each street, or branch, is divided into segments, or sections, at intersecting streets and <br />railroads. For example, Main Street from First Street to Second Street and Grand Avenue from <br />Railroad to Chestnut Avenue. Additionally, a section break is introduced where a change in <br />pavement surface is encountered mid -block. For example, if the pavement surface were to <br />change from Asphalt Concrete (AC) to Portland Cement Concrete (PCC) at any point along <br />Main Street from First Street to Second Street, then the resulting sections would be Main Street <br />from First Street to AC -PCC Transition and Main Street from AC -PCC Transition to Second <br />Street; where one section has an AC surface and the other has a PCC surface. <br />In an effort to help identify and sort the streets efficiently, identifying numbers are assigned to <br />each branch and section. A Branch ID is a six digit number assigned to each branch and is <br />numbered increasingly with numbered streets listed first followed by the remainder of the streets <br />listed in alphabetical order. A Section ID is a four digit number assigned to each section and is <br />numbered increasingly based on geography from west to east and from south to north. For <br />example, the westernmost or southernmost section of a branch would have a Section ID with <br />the lowest number and the easternmost or northernmost section of a branch would have a <br />Section ID with the highest number. Furthermore, the four -digit Section ID number may be <br />followed by a letter such as N, S, E, or W that denotes the direction of travel (north, south, east, <br />and west, respectively) along a street. This letter is used to differentiate between the two halves <br />of a street when it is divided as such. For example, Section ID 1100N and Section ID 1100S <br />would denote the northbound and southbound sides of a section, respectively. <br />Additionally, other sort features are available to assist in further grouping segments with similar <br />characteristics. For example, to identify streets within pre -defined geographical areas, each <br />section is labeled with a number that corresponds to either a neighborhood or a non - <br />neighborhood area. A neighborhood area, which is typically comprised of churches, schools, <br />and residential properties, is defined as the boundary established through a collaboration of the <br />City of Santa Ana 2018 Pavement Management Program 2-1 <br />55B-14 <br />