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. . . ~ City of Ramsey Comprehensive Plan Amendment Transportation Element purpose of this plan was make the City's system consistent with other jurisdictions. Figure 3-2 describes the City's current classification system, which includes five functional classes: principal arterials, major arterials, minor arterials, collectors, and locals. Figure 3-3 describes the relationship between these facility types and two competing travel functions, mobility and land use accessibility. The County and Mn/DOT use a system that is based on four functional classes: 1) principal arterials, minor arterials, collectors, and locals. The minor arterial functional class is broad and includes "A" and "B" minor arterials. Tables 3-1 and 3-2 describe the functions of roads under Anoka County's and Mn/DOT's systems. Road Level of Service and Travel Demand Road Level of Service (LOS) is a way of rating the operating conditions of a road. LOS "A" through "F", with "A" as the highest, describes operating conditions associated with various values of the volume:capacity (V /C) ratio. The V /C ratio of a road is a direct measurement of the road's ability to meet its mobility function. At values less than 0.90, the V/C ratio indicates the number of vehicles using the road are fewer than the road has capacity to carry. Traffic congestion is non-existent to tolerable when the V/C ratio is less than 0.90. When the V/C ratio is between 0.90 and 1.00, the road is approaching capacity and the extent of congestion is extreme. V/C in excess of 1.00 indicate that travel demand on the road is greater than the road's carrying capacity. The level of traffic congestion associated with V /C ratios greater than 1.00 is severe and characterized by unsafe conditions where efficient operations are greatly affected. Table 3-3 shows the relationship between V /C and LOS. Page 3-9