Traffic volume data has been collected for 10 min time intervals as shown below. Find the total hourly volume, flow rate and PHF. Time 7:30-7:40 7:40-7:50 7:50-8:00 8:00-8:10 8:10-8:20 8:20-8:30 Volume 250 280 300 200 150 130
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![Q-2||
Traffic volume data has been collected for 10 min time intervals as shown below, Find
the total hourly volume, flow rate and PHF.
Time
7:30-7:40 7:40-7:50 7:50-8:00 8:00-8:10 8:10-8:20 8:20-8:30
Volume
250
280
300
200
150
130](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc626a6cc-545e-4c99-8f7b-7a4d90ec9ad6%2Fe05a6cba-998c-4a23-8912-e946b65b0b5b%2Fuquh4t_processed.jpeg&w=3840&q=75)
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- Traffic volume data has been collected for 10 min time intervals as shown below, Find the total hourly volume, flow rate and PHF. Time 7:30-7:40 7:40-7:50 7:50-8:00 8:00-8:10 8:10-8:20 8:20-8:30 Volume 250 280 300 200 150 130H.W: Traffic volume data has been collected for 10 min time intervals as shown below. Find the total hourly volume, flow rate and PHF. Time 7:30-7:40 7:40-7:50 7:50-8:00 8:00-8:10 8:10-8:20 8:20-8:30 Volume 250 280 300 200 150 1307. The following table shows traffic flow data collected at the main road in an urban area, in two successive days during the peak period Day one Flow (veh) Day two Time Flow (veh) 7:30 – 7:45 7:45 – 8:00 900 950 960 8:00 – 8:15 1010 1015 8:15 – 8:30 990 980 (a) Determine the peak hour factor (PHF) (b) Estimate the missing traffic flow count (x) on day two.
- 5. In the volume study of KAAF University street, the following data was collected. Because of a shortage in manpower, data was collected for 12 minute periods in each 30 minutes as shown in the table below. Time No. of vehicles 3:30 - 3:42 3:45 - 3:57 100 4:00 - 4:12 106 4:15 - 4:27 4:30 - 4:42 115 4:45 - 4:57 5:00 - 5:12 120 5:15 - 5:27 5:30 - 5:42 142 5:45 - 5:57 6:00 - 6:12 135 6:15 - 6:27 |6:30 - 6:42 120 6:45 - 6:57 7:00 - 7:12 105 (a) Complete the table of the data collection (b) Find the peak hour (c) Determine the peak hour volume (d) Calculate the peak hour factor (PHF)The vehicle count obtained in every 10-minute interval of a traffic volume survey done in peak one hour is given below. Time Interval (in minutes) 0-10 10-20 20-30 30-40 40-50 50-60 Vehicle Count 10 11 12 15 13 11 The peak hour factor (PHF) for 10 minute sub-interval is off to one decimal place) (roundQ2/ The table below shows (15 min.) volume of vehicles passing a section count for roads A and B Find the peak hour Factor for each road and discussion your answer with the upper and lower limit. Time Period 11:00 - 11:15 11:15-11:30 11:30 - 11:45 11:45 - 12:00 Road A volume (vehicle) 800 1200 900 500 Road B volume (vehicle) 1400 1300 1700 2000
- 6. (a) Define the peak hour factor (PHF) (b) Explain the traffic condition when PHF=1. 7. The following table shows traffic flow data collected at the main road in an urban area, in two successive days during the peak period Day one Day two Time Flow (veh) Flow (veh) 7:30 – 7:45 900 7:45 – 8:00 950 960 8:00 – 8:15 1010 1015 8:15 – 8:30 990 980 (a) Determine the peak hour factor (PHF) (b) Estimate the missing traffic flow count (x) on day two.A mode choice logit model is to be developed based on the following information. A surveyof travellers in an area with bus service found the following data:Model Parameter Auto BusX1, waiting time (min.) 0 10X2, travel time (min.) 20 35X3, parking time (min.) 5 0X4, out-of-pocket cost (cents) 225 100Ak, calibration constant _0.33 _0.27The following utility functions were calibrated based on an observed mode split of 84.9%private auto use and 15.1% bus use.Utility function: Uk = Ak -- 0.10 X1 - 0.13 X2 - 0.12 X3 - 0.0045 X4After implementing service improvements to the buses, the mode split changed to 81.6%private auto use and 18.4% bus use. Determine a value for the calibration constant for the busmode that reflects this shift in mode split.1. 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.
- TRAVEL TIME AND DELAY STUDIES • The shows data obtained in a travel time study on a section of highway using the moving-vehicle technique. Estimate (a) the travel time and (b) the volume in each direction at this section of the highway Run Direction/ Number Northward 2 4 5 6 7 8 9 10 Southward 3 4 6 7 8 9 10 No. of Vehicles Travel Traveling in Time Opposite Direction (min) 5.25 5.08 5.30 5.15 5.00 5.51 5.38 5.41 5.12 5.31 4.95 4.85 5.00 4.91 4.63 5.11 4.83 4.91 4.95 4.83 100 105 103 110 101 98 97 112 109 107 85 88 95 100 102 90 95 96 98 90 PARKING STUDIES No. of Vehicles That Overtook Test Vehicle 3 1 0 1 3 0 1 0 0 2 1 1 No. of Vehicles Overtaken by Test Vehicle 2 1 1 0 3 1 0 1 2 PROB 1. Data collected at a parking lot indicate that a total of 300 cars park between 8 a.m. and 6 p.m. 10% of these cars are parked for an average of 2 hr, 30% for an average of 4 hr, and the remaining cars are parked for an average of 10 hr. Determine the space-hours of demand at the lot PROB 2. If 10% of…Shockwave theory: Calculate the maximum queue length (Q in the below figure) given the current condition Arrival volume: 450 vphpl, speed 40 MPH Jam density (waiting): 130 veh /mile/lane Red time: 30 sec; Green time: 70 sec Saturation rate (capacity volume): 1500 vehicles per hour per lane. Please use this diagram to calculate. Maximum Q Xm Area C Maximu X, SW SW SW Area B Area A 'sWD , 'm(u) to(u) DistanceQuestion 2: Speed observations from a radar speed meter have been taken, giving the speeds of the subsidiary streams composing the flow along with the volume of traffic of each subsidiary stream. The readings are as under: Calculate: (i) Time-mean speed (ii)Space-mean speed (iii) Variance about space mean speed. Is pitn 50 puns on s pese sped Speed Volume of subsidiary mmidel spued (km hr) stream (Vehicle hour) 2-5 6-9 4 10-13 14-17 18-21 20 2-5 22-25 44 26-29 80 30-33 82 34-37 79 38-41 49 42-45 36 46-49 26 50-53 6. 54-57 10 58-61
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