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- The total lost time of a signal is 13 seconds. If the sum of the critical flow ratios, Yc, is 0.834, what is the optimal cycle time (rounded to the nearest second)? Group of answer choices 128 sec 108 sec 148 sec 147 secQUESTION 3 Match the term with its definition. ✓ phase ✓ interval ✓ cycle ✓ring ✓ barrier A. the total time to complete one sequence of signalization for all movements at an intersection B. a continuous sequence of phases C. reference within the cycle at which time a phase in each ring terminates, separating conflicting movements such as east-west from north-south D. the time given to opposing left turn movements E. duration of time during which the signal indications do not change F. the green, change and clearance intervals assigned to a specific movement or movements of trafficThe following are the inputs to perform an analysis for the Level of Service (LOS) in traffic signal analysis, except: А. Cycle time В. Saturation flow C. Delay D. Intergreen
- For a given control stations the following data are: (A) Typical hourly variation of traffic volume. Hour volume Hour volume 6:00-7:00 am 185 6:00-7:00 402 7:00-8:00 254 7:00-8:00 489 8:00-9:00 316 8:00-9:00 456 9:00-10:00 376 9:00-10:00 327 10:00-11:00 289 10:00-11:00 210 11:00-12:00 259 Mid. night 175 12:00-1:00 pm 226 12:00-1:00 83 1:00-2:00 221 1:00-2:00 47 2:00-3:00 286 2:00-3:00 18 3:00-4:00 427 3:00-4:00 25 4:00-5:00 354 4:00-5:00 56 5:00-6:00 341 5:00-6:00 90 (B) Typical daily variation of traffic volume. Day Volume Sunday Monday Tuesday Wednesday Thursday Friday Saturday 3380 4223 3086 3119 3146 3409 3843 (C) Typical seasonal variation of traffic volume. Month Jan. Feb. Mar Apr May June Volume 80000 74375 85625 101250 104375 109500 Month July 111500 Aug. Sep. 119250 Act. Nov. Dec. Volume 121000 105000 92880 87625 1) The traffic volume count (8:00-9:00) am was 665 vph and (4:00-5:00) pm is was 535vph made on Wednesday/ February; Find the ADT and AADT by using the previous…Part 2 - Solving: Observers stationed at two sections A-A and B-B, 200 m apart on a highway, record the arrival times of four vehicles as shown in the table. %3 Vehicle Section A-A Section B-B To + 7.6 sec To + 10.4 sec To + 15.1 sec I To + 23.4 sec If the total time of observation at A-A was 20 seconds, determine: (a) the time mean speed in A To + 4.2 sec To + 8.7 sec To + 13.7 seC B C KPH, (b) the space mean speed in KPH, (c) the flow at section A-A in veh/hr, (d) time headway in seconds, and (c) traffic density in veh/km. 5 points each.For the given speed information below: Speed class 28-31.9 32-35.9 36-39.9 40-43.9 44-47.9 48-51.9 52-55.9 56-59.9 60-63.9 64-67.9 (mi/hr) Frequency 1 3 The 85th percentile speed is approximately.. 6 4 8 (mi/hr). 11 10 11 8 2
- 3. A bus route having seven schedule stops has the following number of passengers alighting and boarding the bus: Stop Alighting Boarding 1 0 20 2 3 5 3 5 7 4 6 3 Rectangular Snip 5 8 4 6 7 2 7 12 0 Passengers board and alight through the front door. Alighting time/passenger = 1.8 sec and boarding time/passenger = 3 sec. Compute the dwell time at each stop and the total dwell time. (Assume the clearance time = 5 sec).The table shows the details for a license plate car parking survey. The average bay turnover is approximately Time Bay 0-15 15-30 30-45 45-60 1 3746 9567 9567 2 1602 6602 4424 2329 3 3998 3998 5678 4 7543 4145 7673 8128 8118 9985 3356 6. 2331 2257 8901 7 1004 3892 1013 1013 8 8006 7943 9. 2076 5996 8039 3301 10 3095 1243 5556 3 .a 8 .b 6. .C .d None .eDescribe the principles of traffic signal optimization.
- The following speed data Was collected Using a radar gun on an arterial street. Estima te Speed Group (mph) Frequency 10 17 36 66 84 16-20 a) time mean speed 2) -25 26-30 31-35 36-40 41-45 46-50 ら1-55 56-60 b) 85 *t*percentile speed c) Modal speed d) Pace 70 50 21Select the true items related to traffic signal design. Select only the four correct answers. For the dissipation of queue, the average saturation flow should be smaller than arrival flow. Intergreen is the time duration from the end of green time of a particular phase to the beginning of green time for the other phase. Average saturation flow is smaller than saturation flow. Key tasks of traffic signal design involve phasing, red time allocating and green time allocating. Intergreen is the time duration from the end of green time of a particular phase to the beginning of green time for the same phase. For the dissipation of queue, the average saturation flow should be greater than arrival flow. Average saturation flow is greater than saturation flow. Key tasks of traffic signal design involve phasing, cycling and green time allocating.pls answer in 20 mins ASAP
