CE 3302 transportation engineering for course project of observe an intersection and reach conclusions about its operation at UTA for sample project is Intersection Delay Study (arranged for 15-second time intervals)
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CE 3302 transportation engineering for course project of observe an intersection and reach conclusions about its operation at UTA for sample project is Intersection Delay Study (arranged for 15-second time intervals)
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- i need the answer quicklyselect all correct options.Task 3: The Intersection design a. Describe the various principles involved in the design of at-grade intersections and the different types of at-grade intersections. Also, give an example of an appropriate location for the use of each type. b. Design a suitable signal phasing system and phase lengths for the intersection using the Webster method. Show a detailed layout of the phasing system and the intersection geometry used for the geometric and traffic characteristics shown in table 6 below. And the saturation flow of the intersection is shown in table 7 Discuss the effect of increasing saturation flow rates by 10% higher on the cycle length? Table 6:The geometric and traffic characteristics of the intersection Approach (Width) North (56m) South (56 m) East (68m) West (68m) Peak hour approach volumes Left turn 133 73 168 134 Through movement 420 373 563 516 Right turn 140 135 169 178 Conflicting pedestrian volumes 900 1200 1200 900 PHF 0.95 0.95 0.95 0.95…
- An intersection has a four-phase signal with the movements allowed in each phase and corresponding and saturation flow rates shown in the table below. Phase 1 2 3 4 Allowed movements EB L, WB L EB T/R, WB T/R SB L, SB T/R NB L, NB T/R Analysis flow rate 245, 230 veh/h 975, 1030 veh/h 255, 235 veh/h 225, 215 veh/h Saturation flow rate 1750, 1725 veh/h 3350, 3400 veh/h 1725, 1750 veh/h 1700, 1750 vehh Calculate the sum of the flow ratios for the critical lane groups. O 0.714 O 0.723 0.751 0.702An intersection has a four-phase signal with the movements allowed in each phase and corresponding analysis and saturation flow rates shown in the table below. Phase 1 3 4 Allowed movements EB L, WB L EB T/R, WB T/R SB L, SB T/R NB L, NB T/R Analysis flow rate 245, 230 veh/h 975, 1030 veh/h 255, 235 veh/h 225, 215 veh/h Saturation flow rate 1750, 1725 vehh 3350, 3400 veh/h 1725, 1750 veh/h 1700, 1750 veh/h Calculate the optimum cycle length (Assume 4 seconds lost time per phase) O 116.466 sec O 104.693 sec 97.315 sec O 101.399 secA two-phase signal system is installed at an un-signalized + intersection with channelized left-turn lanes and shared through and right-turn lanes. Using a suitable diagram, determine the possible conflict points. Indicate the phasing system used.
- Exercise 6 A three phase signal design is given below. ● ● ● Hic Signal What is the sum of the flow ratios for the critical lane groups? What is the total lost time for a signal cycle assuming 2 seconds of clearance lost time and 2 seconds of startup lost time per phase? What is the cycle length using Webster Method? EB - Phase 1 2 3 -200 20 SB 30 100- Lane group SB NB EB WB 400 1000 NB 150 50 300 30 WB Saturation Flows 3400 veh/hr 3400 veh/hr 1400 veh/hr 1400 veh/hrQ2- The table below lists the needed data for designing a traffic signal for a 3-leg signalized intersection. Determine the following using Webster's method; assume Qs is 2000 vphpl. 1- Compute the actual green and actual red intervals. 2- Draw the cycle timing diagram. Qa (vph) Amber All-red ts (sec) Lane 1 Lane 2 (sec) (sec) Phase I 399 710 4 Phase II 520 366 3 Phase III 144 210 3 122 322i need the answer quickly
- Please exaplain not just give answerMinimum green time should usually be considered at signalized intersections when there is high .... activity. O a. Motorcycle O b. Sport cars O C. Pedestrian o d. Public transportplz, solve this problem, it is not graded question. Transportation Engineering-1 During a 70 sec period, a detector is occupied by vehicles for the following times: 0.31, 0.39, 0.41, 0.35, and 0.53 sec. Estimate the values of flow (q), density (k) and speed (v). Assume that the loop detector is 10 ft and that that the average length of the vehicle is 20 ft.