The average of 24-hour traffic counts collected over a number of days greater than one but less than a year
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The average of 24-hour traffic counts collected over a number of days greater than one but less than a year.
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- Assume vehicle arrivals are random. On average, six vehicles arrive in one minute. Calculate theprobability of observing less than three vehicles over three minutes. Calculate the probability ofobserving a headway of less than eight seconds.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 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.Transportation The table shows a 15-minute volume counts during the peak hour on an approach of an intersection
- 5-4.. The following traffic count data were taken from a per- manent detector location on a major state highway. 1. 2. 3. 4. 5. Month No. of Total Total Total Weekdays Days in Monthly Weekday Volume in Month Month Volume (days) (days) (vehs) (vehs) 200,000 210,000 215,000 205,000 195,000 193,000 180,000 175,000 189,000 170,000 171,000 Jan 22 31 Feb 20 28 185,000 180,000: 172,000 168,000 160,000 150,000 -175,000 178,000 182,000 176,000 Mar 22 31 30 Apr May Jun 22 21 31 22 30 Jul 23 31 21 31 Aug Sep Oct 22 30 198,000 205,000 200,000 22 31 Nov 21 30 Dec 22 31 From this data, determine (a) the AADT, (b) the ADT for each month, (c) the AAWT, and (d) the AWT for each month. From this information, what can be dis- cerned about the character of the facility and the demand it serves?A researcher was positioned at the side of a 2-lane rural highway. He recorded the volume of northbound traffic, aggregated into 15 minute intervals. The recorded volumes were 243, 276, 318 and 490 vehicles for the first, second, third, and fourth 15-minute intervals, respectively. Calculate the peak hour factor. Provide your answer to the nearest hundredths.2.) Daily Traffic Expansion Factors A student measured the traffic volume of a rural primary road for five hours on a Wednesday for a project. The data is summarized below: Time Volume 7:00 – 8:00 AM 200 8:00 – 9:00 AM 325 9:00 – 10:00 AM 410 10:00 – 11:00 AM 503 11:00 – 12:00 AM 385 a) Determine the 24-hour volume for that day. Unit: veh. /day b) Determine the average daily traffic for the week unit: veh. /day Listed/Shown in the images are the expansion factors given.
- 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…2. Describe the following types of traffic volume counts and explain when they are used: (a) screen-line counts, (b) cordon counts, (c) intersection counts, and (d) control counts.Define the following terms and cite examples of how they are used: Average annual daily traffic (AADT) Average daily traffic (ADT) Vehicle-miles of travel (VMT) Peak hour volume (PHV) help me pls. Ill upvote thankyou :)
- Two routes are available to carry 1200 vehicles in peak-hour traffic. Route 1 has a posted speed limit of 45 mph and is 5 miles long. The travel time increases by 2x2, where x is vehicles in thousands. Route 2 has a limit of 55 mph and is 6.7 miles long, and the travel time increases by 1.5x. Find the user-equilibrium travel flow and travel time.Describe the following types of traffic volume counts and explain when they are used: 1. Cordon countsCompute the annual ESAL for the traffic summarized in the table below, using the fourth power formula and assuming 350 days per year to compensate for reduced traffic on weekends. Weekday Traffic Data Truck Gross Weight Average (lbs) 20,000-40,000 40,100-66,000 66,100-80,000 80,100-110,000 Load on Steering Axle Load Distribution (Front/Rear) Number of Trucks 32,000 58,000 76,000 108,000 Weight (lbs) 3-Axle, All Single equal load singles front, -S2 for one tandem for the rear, -2 for two equal load singles for the trailer) 200 0 0 Trailer 5-Axle, 3-S2 Semi 5-Axle, 3-S2-2 Semi + (3 for one steering (3 for one steering single single and two and two equal load for the 8,000 lbs. Equal for the front, -S2 for one tandem for the rear) 330 800 800 300 12,000 lbs. 60/40 380 320 350 360 14,000 lbs. 30/30/20/20