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11. A one-way arterial strect has a speed limit of 35mph and an average operating speed of 30mpb with four two phase traffic signals evenly spaced ALL 660 feel apart. Each phase has a 5 second clearance interval. If the traffic signals are operating with a 60/40 split of phase time in favor of the arterial street, what are the offsets for intersections 2, 3, and 4 if the green indication at intersection begins at interval 6 of a 100-second cycle length? Xo 1.21.36 and 51 19.32 and 45 c. 70.85 and 10 d. 76,91 and 06 12. Using the operating data from problem no. 1, if intersection 2 detects the presence of vehicles on the side street and it takes 20 seconds of green time to serve the waiting vehicles, at what point in the cycle does the traffic signal turn green for the vehicles traveling on the arterial street? X 1. 06 b. 21 © 19 d. 59 13 Using the operating data from problem no. 1, the minimum effective green band width on the arterial street is... a. SS seconds by 39 seconds c. 21 seconds d. 49 seconds X