Consider the geometric and traffic characteristics shown below. Approach (Width) Peak hour Approach Volumes: North South East West (56 ft) (56 ft) (68 ft) (68 ft) Left Turn 173 113 208 174 Through Movement 460 413 603 556 Right Turn 130 125 159 168 Conflicting Pedestrian Volumes 900 1,200 1,200 900 PHF 0.95 0.95 0.95 0.95 Assume the following saturation flows. Through lanes: 1,600 veh/h/In Through-right lanes: 1,400 veh/h/In Left lanes: 1,000 veh/h/In Left-through lanes: 1,200 veh/h/In Left-through-right lanes: 1,100 veh/h/In Determine a suitable signal phasing system and phase lengths (in s) for the intersection using the Webster method. (Enter t sum of green and yellow times for each phase, and afterwards the total cycle length. Ensure that enough green time is prov to allow for pedestrian movement. Assume each of the four approaches is divided into a left lane, a through lane, and a thro right lane. Assume the lost time due to acceleration and deceleration during each phase is 3.5 seconds, and the time lost du the red clearance interval between each phase is 1.5 seconds. Also, assume the curb-to-curb distance is 56 ft when pedestr travel during the N-S phases and 68 ft when pedestrians travel during the E-W phases. Finally, assume pedestrians walk at speed of 3.5 ft/s through a crosswalk of width 10 ft.) Phase 1: N-S left turn Phase 2: N-S through & through-right turn Phase 3: E-W left turn S S S