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- The table below shows the hourly volumes obtained from a short-term traffic count station and their corresponding hourly expansion factors (HEFs). DEFs for Friday and Saturday are 8.5, and 8.7 respectively; and MEF is 1.655. Compute the AADT a. 26447 b. none c. 28450 d. 15501 e. 33121factor? (SP) The 15-min. volumes are given for the peak hour of the E-5 highway, Find The peak hour Time 17.30-17.45 17.45-18.00 18.00-18.15 18.15-18.30 Number of Vehicles 1850 1891 1818 1812A three-zone city has the following characteristics: Zone 1 Zone 2 Zone 3 Initial travel time factors are Production Travel time (min) Fij 500 600 200 Distances (time): 1-2: 10 min 2-3: 15 min 3-1: 20 min Distribute the trips using the gravity model. 10 80 Attraction 15 60 400 800 100 20 40
- The table below shows the hourly volumes obtained from a short-term traffic count station and their corresponding hourly expansion factors (HEFS). DEFS for Friday .and Saturday are 8.5, and 8.7 respectively; and MEF is 1.771. Compute the AADT Time Hourly volume HEF Period Friday Saturday Friday Saturday 9:00-10:00 700 680 20.4 21.5 10:00-11:00 590 610 18.7 19.8PROBLEM 6: Four vehicles passing through the SLEX has the following observation. Determine the time mean speed. Vehicles Time of passing (sec) | Spot speed (kph) 1 1.5 55.4 2 6.0 56.8 3 8.0 53.6 4 12.00 48.9QUESTION 8 During one hour, 1800 pedestrians passed by the observation point on the pedestrian walkway. The flow appeared to be relatively consistent over the hour (i.e. PHF=0.90). The effective walkway width was 5 ft. Based on the pedestrian flow per unit width (p/ft/min), at what LOS was the walkway operating, assuming no platooning. O A B с D ΟΕ OF
- QUESTION 1 The approaches of a 4-leg signalized intersection are configured with 1 NB lane, 1 SB lane, 1 EB lane, and 1 WB lane and each of these lanes serves LT, TH, and RT movements. The following volumes and phasing are provided. approach EB WB NB SB movement LT TH RT LT TH RT LT TH RT LT TH RT volume 120 480 160 80 560 100 20 200 40 12 160 48 2 6 What is the critical sum for the EB/WB barrier?C11. Planners have estimated the following models for the AM Peak Hour T₁ = 1.5 H₁ T; - (1.5 Euj1) + (1 Euthy) + (0.5 Eretj) Where: T - Person Trips Originating in Zone i T₁ = Person Trips Destined for Zone j H Esti Eath Eret Variable 10000 8000 3000 2000 Data Dakotopolis 15000 10000 5000 1500 New Fargo A. What are the number of person trips originating in and destined for each city? B. Normalize the number of person trips so that the number of person trip origins = the number of person trip destinations. Assume the model for person trip origins is more accurate.
- 1. If the signal phase designation shown below follows the NEMA convention, the value of "a" and "e" respectively should be: 2 Heaviest Movement e b a а. 1 and 8 b. 4 and 5 с. 1 and 4 d. 3 and 4 2. Which of the following is (are) common accident exposure measure(s) for a highway section? a. Fatality b. Vehicle-Kilometer с. Роpulation d. All of the above 3. Which of the following is (are) possible choice(s) of safety performance index? а. Speed b. Асcident c. Traffic conflicts d. All of the aboveUsing Enumeration Method - list all paths and total duration. Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A - 12 $200 9 $350 B A 8 $300 8 $300 C A 9 $250 7 $450 D B 6 $400 5 $600 E B,C 5 $150 4 $225 F C 10 $500 9 $650 G D,E,F 8 $400 6 $900The following cross-section notes of the road was examined to calculate volumes. The width of the roadway is 12m -12 -3 +6 -6 -6 +24 -9 STA 5+040 是 号 是 -15 -4.5 -6 -6 +6 -8 30 -12 -7 STA 5+140 Compute the volume between two stations using prismoidal method.