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INTERSECTION NODE DAT A <br />Data entered for each node include the following: <br />• Type <br />• Node Capacity Factors <br />• Capacity <br />• TMODEL Special Delay Links (SDLs) <br />• Base Delay <br />• Turns <br />Node Type <br />The node classifications were coded in the model dependent upon the intersection <br />control. Table 4 lists the node types. These were modified from the previous model <br />structure to represent current practice. <br />Table 4 <br />Node (Intersection) Type <br />2008 Kittitas ColJfl. Tra orta ti on Plannin Model <br />Node Ty e Descri tion <br />1 Not an Intersection <br />10 <br />11 <br />20 <br />21 <br />30 Roundabout <br />Node Capacity <br />Using Capacities at all nodes is one of VISUM' s three options to model delays based <br />upon traffic congestion at the intersections. This feature has been incorporated into the <br />Kittitas County model so that delays at these critical points on the network can be <br />Ki ttita s County, Washington Trans por tation Mo del -May 2009 Page 18