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HCS: Unsignalized Intersections <br />Release 2.1g <br />85N86PME.HC0 Page 2 <br />Worksheet for TWSC Intersection <br />-------------------------------------------------------- <br />Step l: RT from Minor Street <br />WB <br />EB <br />Conflicting Flows: (vph) <br />763 <br />Potential Capacity: (pcph) <br />569 <br />Movement Capacity: (pcph) <br />569 <br />Prob. of Queue -Free State: <br />0.90 <br />Step 2: LT from Major Street <br />SB <br />NB <br />Conflicting Flows: (vph) <br />925 <br />- <br />Potential Capacity: (pcph) <br />621 <br />Movement Capacity: (pcph) <br />621 <br />Prob. of Queue -Free State: <br />0.69 <br />-------------------------------------------------------- <br />Step 4: LT from Minor Street <br />WB <br />EB <br />- ------------- - - - - -- - -- <br />----------------------- <br />Conflicting Flows: (vph) <br />1808 <br />Potential Capacity: (pcph) <br />95 <br />Major LT, Minor TH <br />Impedance Factor: <br />0,69 <br />Adjusted Impedance Factor: <br />0:69 <br />Capacity Adjustment Factor <br />due to Impeding Movements <br />0.69 <br />Movement Capacity: (pcph) <br />66 <br />Intersection <br />Performance Summary <br />Avg. 1 95% <br />Flow Move Shared <br />Total Queue <br />Approach <br />Rate -'• Cap Cap <br />Delay ,. Length <br />LOS Delay <br />Movement (pcph) (pcph) (pcph) <br />(sec /veh) (veh) <br />(sec /veh) <br />EB L 92 66 <br />921.5 17.8 <br />F <br />572.1 <br />EB R 57 569 <br />7.0 0.3 <br />B <br />SB L 190 621 <br />8.3 1.5 <br />B 1.5 <br />Intersection Delay <br />= 39.9 sec <br />/veh <br />