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7.2 An intersection has a four-timing-stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown in Table 7.7. Calculate the sum of the flow ratios for the critical lane groups. Table 7.7 Data for Problem 7.2 Timing stage Allowed movements Analysis flow rate Saturation flow rate 1 EB L, WB L 245, 230 veh/h 1750, 1725 veh/h 2 EB T/R, WB T/R 975, 1030 veh/h 3350, 3400 veh/h 3 SB L, SB T/R 255,235 veh/h 1725, 1750 veh/h 4 NB L, NB T/R 225,215 veh/h 1700, 1750 veh/h

7.2 An intersection has a four-timing-stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown in Table 7.7. Calculate the sum of the flow ratios for the critical lane groups. Table 7.7 Data for Problem 7.2 Timing stage Allowed movements Analysis flow rate Saturation flow rate 1 EB L, WB L 245, 230 veh/h 1750, 1725 veh/h 2 EB T/R, WB T/R 975, 1030 veh/h 3350, 3400 veh/h 3 SB L, SB T/R 255,235 veh/h 1725, 1750 veh/h 4 NB L, NB T/R 225,215 veh/h 1700, 1750 veh/h

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter10: Capacity And Level Of Service At Signalized Intersections
Section: Chapter Questions
Problem 9P
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7.2 An intersection has a four-timing-stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown in Table 7.7. Calculate the sum of the flow ratios for the critical lane groups.
Transcribed Image Text:7.2 An intersection has a four-timing-stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown in Table 7.7. Calculate the sum of the flow ratios for the critical lane groups.
Table 7.7 Data for Problem 7.2 Timing stage Allowed movements Analysis flow rate Saturation flow rate 1 EB L, WB L 245, 230 veh/h 1750, 1725 veh/h 2 EB T/R, WB T/R 975, 1030 veh/h 3350, 3400 veh/h 3 SB L, SB T/R 255,235 veh/h 1725, 1750 veh/h 4 NB L, NB T/R 225,215 veh/h 1700, 1750 veh/h
Transcribed Image Text:Table 7.7 Data for Problem 7.2 Timing stage Allowed movements Analysis flow rate Saturation flow rate 1 EB L, WB L 245, 230 veh/h 1750, 1725 veh/h 2 EB T/R, WB T/R 975, 1030 veh/h 3350, 3400 veh/h 3 SB L, SB T/R 255,235 veh/h 1725, 1750 veh/h 4 NB L, NB T/R 225,215 veh/h 1700, 1750 veh/h
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