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Inventory and Needs Assessment - Fayette County Government

Inventory and Needs Assessment - Fayette County Government

2.3.2 Functional

2.3.2 Functional Classification Fayette County’s roads are largely two-lane rural facilities that historically accommodated farm-to-market movements. As the County has grown, these facilities have begun carrying more traffi c to state highways and to interstates in neighboring Fulton, Coweta and Clayton Counties. Of the County’s 984 miles of roadway centerline, most are classifi ed as rural roads. These include many of the suburban streets in the unincorporated county, but they also include many roads that predated residential subdivision. These are largely in the south part of the county between State Road 85 and State Road 92. State Road 92 itself is classifi ed as a rural arterial, both south of Fayetteville and north of it (where many other road classifi cations are urban-based). The table below shows overall centerline mileage per classifi cation type based on Georgia DOT’s road inventory. The different classes as specifi ed here are used by GDOT and reference the nationally-used classifi cation system developed by the American Association of State Highway and Transportation Offi cials (AASHTO) and the Federal Highway Administration (FHWA). The primary distinction between arterials, collectors and local roads is their focus on mobility and access: arterials are intended to serve a principal mobility function, where local streets are intended to provide access. Collector streets serve as a distribution between locals and arterials. Typically, rural roadways are designed with higher moving speeds, meaning they require smoother curves, wider ‘clear zones’ (or areas where a vehicle leaving the road unintentionally can ‘recover’ and return to the roadway), and greater spacing between driveways and intersecting roads. Urban roads are designed for lower moving speeds and keep in mind the greater frequency of other vehicles. Urban roads also tend to be designed with higher vehicle capacity, to meet a generally greater travel demand in urban areas. Table 2.3.2 Overall Centerline Mileage per Classifi cation Code Classifi cation Type Mileage RURAL 06 Minor Arterial 17.8 07 Major Collector 15.6 08 Non-Federal Aid Minor Collector 8.0 09 Local 532.4 URBAN 14 Urban Principal Arterial 34.8 16 Minor Arterial 87.1 17 Collector Street 61.9 19 Local 226.4 Data Sources: GDOT Road Inventory for Fayette County, Fayette County GIS Fayette Forward Inventory & Needs Assessment Chapter 2 32

Ma M p 2.3. 3 2 GD GDOT O Fun un unct ct c io iona na nal l Cl C as assi si si ca cati ti tion on o Legend Rural Minor Arterial Rural Collector Urban Principal Arterial Urban Minor Arterial Urban Collector Local Incorporated Municipality Unincorporated County Water Data Sources: Fayette County GIS, GDOT Roadway Inventory, Atlanta Regional Information System 74 74 54 Fayette Forward Inventory & Needs Assessment Chapter 2 92 85 85C 279 314 85 92 54 33

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