Problem 2: For the same intersection, determine the minimum vehicle green for the through movements, assuming pedestrian speed of 3.6 ft/s and Gmp=7 s. Problem 3: %3D Give a reasonable sequence of phases for this intersection, considering that left turn volume is moderate on the NB, SB, and EB approaches and is weak on the WB approach. Pedestrian traffic does not warrant a pedestrian phase here. Problem 4: Compute delays and determine LOS for the NBTH and NBLT lane groups at this intersection. Assume a full-actuated control with unit extension (passage time, PT) of 4 seconds and absence of filtering/metering at the neighboring signalized intersections. Effective green signal times are. 8 NB,TH = 33.2s =17.3s 8 NB,LT and Cycle length is: C = 125 s 5.41m 3.99m 4.02m 7.99m 3.81m 3.82m- X Street 1.38m 3.03m 5,75m - 5.29m 3.48m %3D 1,55m 3.26m 3.21m 3.47m 4.51m- 6.70m 3.19m 1.20m 1.90m 3.87m 3,09m 4.06m- 4.51m Y Street Figure 1. Dual-Ring Phasing, X St. and y Street (North is up)
Problem 2: For the same intersection, determine the minimum vehicle green for the through movements, assuming pedestrian speed of 3.6 ft/s and Gmp=7 s. Problem 3: %3D Give a reasonable sequence of phases for this intersection, considering that left turn volume is moderate on the NB, SB, and EB approaches and is weak on the WB approach. Pedestrian traffic does not warrant a pedestrian phase here. Problem 4: Compute delays and determine LOS for the NBTH and NBLT lane groups at this intersection. Assume a full-actuated control with unit extension (passage time, PT) of 4 seconds and absence of filtering/metering at the neighboring signalized intersections. Effective green signal times are. 8 NB,TH = 33.2s =17.3s 8 NB,LT and Cycle length is: C = 125 s 5.41m 3.99m 4.02m 7.99m 3.81m 3.82m- X Street 1.38m 3.03m 5,75m - 5.29m 3.48m %3D 1,55m 3.26m 3.21m 3.47m 4.51m- 6.70m 3.19m 1.20m 1.90m 3.87m 3,09m 4.06m- 4.51m Y Street Figure 1. Dual-Ring Phasing, X St. and y Street (North is up)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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