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HCS: Unsignalized Intersections Release 2.1f CR99EXAM.HCO Page 2 <br />• <br /> Worksheet for TWSC Intersection <br />------------------------- <br />- <br />- <br />-- <br />-- <br />-- <br /> --- <br />--- <br />Step 1: RT from Minor Street <br />----------------- <br />- ----------- <br />-- <br />WB ---- <br />EB <br /> ------ <br />- <br />-------- <br />Conflicting Flows: (vph) --------------- <br />28 -------- <br />18 <br /> Potential Capacity: (pcph) 1390 1356 <br /> Movement Capacity: (pcph) 1390 1356 <br /> Prob. of Queue-Free State: <br />--------------------------------- 1.00 <br />- <br />- 0.99 <br />-------- <br /> Step 2: LT from Major Street <br />----------- ----------- <br />-- <br />SB NB <br /> ---------- <br />------------ <br />Conflicting Flows: (vph) --------------- <br />33 -------- <br />29 <br /> Potential Capacity: (pcph) 1653 1670 <br /> Movement Capacity: (pcph) 1653 1670 <br /> Prob. of Queue-Free State: 1.00 0.99 <br /> TH Saturation Flow Rate: (pcphpl) 1700 1700 <br /> RT Saturation Flow Rate: (pcphpl) 1700 1700 <br /> Major LT Shared Lane Prob. <br /> of Queue-Free State: <br />--------------------------------- 1.00 <br />--------------- 0.99 <br />-------- <br /> Step 3: TH from Minor Street <br />--------------------------------- WB <br />--------------- EB <br />-------- <br /> Conflicting Flows: (vph) 68 67 <br /> Potential Capacity: (pcph) 1005 1006 <br /> Capacity Adjustment Factor <br />• due to Impeding Movements 0.99 0.99 <br /> Movement Capacity: (pcph) 995 996 <br /> Prob. of Queue-Free State: <br />--------------------------------- 1.00 <br />--------------- 1.00 <br />-------- <br /> Step 9: LT from Minor Street <br />--------------------- WB EB <br />--- <br /> -------- <br />---- <br />Conflicting Flows: (vph) --------------- <br />69 ----- <br />63 <br /> Potential Capacity: (pcph) 966 979 <br /> Major LT, Minor TH <br /> Impedance Factor: 0.99 0.99 <br /> Adjusted Impedance Factor: 0.99 0.99 <br /> Capacity Adjustment Factor <br /> due to Impeding Movements 0.98 0.99 <br /> Movement Capacity: (pcph) <br />--------------------------------- 950 <br />--------------- 966 <br />-------- <br />• <br />