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Legend <br />Link bar <br />Numlanes <br />Scaling <br />0 ~ <br />Figure 4 <br />Kittitas County Number of Lanes <br />Capacity <br />Capacity is entered in terms of vehicles per hour per lane (vphpl) for each link, <br />directionally. For the Kittitas County model, capacities were based upon Special Report <br />209 "Highway Capacity Manual", Transportation Research Board, National Research <br />Council, Washington, D.C. 1985, updated 1994, and PTV America experience with other <br />models. <br />The capacities are used for both model operation and network analysis. In the context of <br />model operation, the capacities are used in conjunction with link speeds, link lengths, <br />and speed-delay functions to derive a realistic travel speed to be used in the distribution <br />Kittitas County, Washington Transportation Model-May 2009 Page 14