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HCS: Unsignalized Intersections Release 2.1g 85N86AME.HCO Page 2 <br />Worksheet for TWSC Intersection <br />Step 1: RT from Minor Street WB EB <br />Conflicting Flows: (vph) <br />727 <br />Potential Capacity: (pcph) <br />593 <br />Movement Capacity: (pcph) <br />593 <br />Prob. of Queue -Free State:. <br />0.88 <br />Step 2: LT from Major Street <br />SB <br />NB <br />Conflicting Flows: (vph) <br />756 <br />Potential Capacity: (pcph) <br />748 <br />Movement Capacity: (pcph) <br />748 <br />Prob. of Queue -Free State: <br />0.64 <br />Step 4: LT from Minor Street <br />WB <br />EB <br />Conflicting Flows: (vph) <br />1560 <br />Potential Capacity: (pcph) <br />132 <br />Major LT,,Minor TH <br />Impedance Factor: <br />0.64 <br />Adjusted Impedance Factor: <br />. <br />0.64 <br />Capacity Adjustment Factor <br />due to Impeding Movements <br />0.64 <br />Movement Capacity: (pcph) <br />84 - <br />Intersection <br />Performance Summary <br />Avg, <br />950 <br />Flow_ Move Shared <br />Total <br />Queue <br />Approach <br />Rate -` Cap Cap <br />Delay- <br />Length LOS <br />Delay <br />Movement (pcph) (pcph) (pcph) <br />(sec /veh) <br />(veh) <br />- - -- - - - -- <br />(sec /veh) <br />--- - - - - -- <br />-- - - - - -- - - - - -- - - - - -- - - - - -- <br />EB L 124 84 <br />- - - - - -- <br />* <br />- - - <br />24.6 F <br />646.8 <br />EB R 73 593 <br />6.9 <br />0.4 B <br />SB L 271 748 <br />7.5 <br />1.9 B <br />1.9 <br />Intersection Delay <br />= <br />61.7 sec /veh <br />* The calculated value was greater than 999.9. <br />