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�z <br />HCS: Unsignalized Intersections Release 2.1g 8640EAE.HCO Page 2 <br />Worksheet for TWSC Intersection <br />Step 1: RT from Minor Street <br />WB <br />EB <br />------------------------------------------------------ ?- <br />Conflicting Flows: (vph) <br />192 <br />Potential Capacity: (pcph) <br />Flow <br />'1107 <br />Movement Capacity: (pcph) <br />Queue <br />1107 <br />Prob. of Queue -Free State: <br />0.96 <br />-------------------------------------------------------- <br />Step 2: LT from Major Street <br />SE <br />NB <br />-------------------------------------------------------- <br />Conflicting Flows: (vph) <br />256 <br />Movement <br />Potential Capacity: (pcph) <br />1294 <br />(pcph) (sec /veh) <br />Movement Capacity: (pcph) <br />1294 <br />(sec /veh) <br />--- - - - - -- <br />Prob. of Queue -Free State: <br />0.64 <br />- - - - -- <br />216 <br />-------------------------------------------------------- <br />Step 4: LT from Minor Street <br />WB <br />---- <br />EB <br />- - - - -- <br />-------------------------------------------- _• <br />Conflicting Flows: (vph) <br />854 <br />Potential Capacity: (pcph) <br />339 <br />Major LT, Minor TH. <br />6.9 <br />EB R <br />Impedance Factor: <br />1107 <br />0_64 <br />Adjusted Impedance Factor: <br />A <br />0.64 <br />Capacity Adjustment Factor <br />470 <br />1294 <br />due to Impeding Movements <br />1.9 <br />0.64 <br />Movement Capacity: (pcph) <br />-------------------------------------------------- <br />216 <br />- - - - -- <br />Intersection Performance Summary <br />Intersection Delay = 2.4 sec /veh <br />Avg. <br />950 <br />Flow <br />Move <br />Shared Total <br />Queue <br />Approach <br />Rate-' <br />Cap <br />Cap Delay <br />Length <br />LOS <br />Delay <br />Movement <br />(pcph) <br />(pcph) <br />(pcph) (sec /veh) <br />(veh) <br />- - - - -- <br />- - - -- <br />(sec /veh) <br />--- - - - - -- <br />-- - - - - -- <br />EB L <br />- - - - -- <br />14 <br />- - - - -- <br />216 <br />- - - - -- - - - - - -- <br />17.8 <br />- <br />0.1 <br />C <br />6.9 <br />EB R <br />45 <br />1107 <br />3.4 <br />0.0 <br />A <br />SE L <br />470 <br />1294 <br />4.4 <br />1.9 <br />A <br />3.0 <br />Intersection Delay = 2.4 sec /veh <br />