Orange County NC Website
Browse       Search
HCS: Unsignalized Intersections Release 2.1g 8640WAE.HC0 Page 2 <br />Worksheet for TWSC Intersection <br />Step 1: RT from Minor Street <br />WB <br />EB <br />Conflicting Flows: (vph) <br />192 <br />Potential Capacity: (pcph) <br />1107 <br />Movement Capacity: (pcph) <br />1107 <br />Prob. of Queue -Free State: <br />0.82 <br />Step 2: LT from Major Street <br />SB <br />NB <br />Conflicting Flows: (vph) <br />621 <br />Potential Capacity: (pcph) <br />867 <br />Movement Capacity: (pcph) <br />867 <br />Prob. of Queue-Free-State: <br />0.95 <br />-------------------------------------------------------- <br />Step 4: LT from Minor Street <br />WB <br />EB <br />Conflicting Flows: (vph) <br />840 <br />Potential Capacity: (pcph) <br />345 <br />Major LT. Minor TH <br />Impedance. Factor: <br />0.95 <br />Adjusted Impedance Factor: <br />0.9,5 <br />Capacity Adjustment Factor <br />due to Impeding Movements <br />0.95 <br />Movement Capacity: (pcph) <br />329 <br />Intersection <br />Performance Summary <br />Avg. <br />95% <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) (pcgh)(sec <br />/veh) (veh) <br />(sec /veh) <br />WB L 18 329 <br />11.6 <br />.0.0 C <br />4.6 <br />WB R 198 1107 <br />4.0 <br />0.7 A <br />NB L 40 867 <br />4.4 <br />0.0 A <br />0.7 <br />Intersection Delay <br />= <br />1.0 sec /veh <br />