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- For this exercise, you are to design a roadway that is to carry 100,000 people a day (excluding truck occupants) – 50,000 in design direction. The vehicles that carry these people include; (1) personal vehicles (average occupancy of 1.2 people per car) 2-2 kip single axles, and (2) buses with 2-22 kip single axles (assume they are filled with an average of 40 passengers). There are also trucks on the roadway and all trucks have 1-40 kip triple axle, 1-32 kip tandem axle, and 1-8 kip single axle. You know that the soil CBR is 6, the initial PSI is 4.5 and the TSI is 2.5. Other values to be used: All drainage coefficients = 1.0 Reliability = 90% Overall standard deviation of traffic = 0.50 Concrete Modulus of Elasticity = 5.5 million lb/in2 Concrete Modulus of Rupture = 750 lb/in2 PCC load transfer coefficient = 3.0 Design a rigid and flexible pavement, to last 15 years, for a four-lane road (four lanes in design direction) with 400 trucks per day in the design direction, and…The traffic volume for a section of a highway can be estimated using the following equation: q = 15.1k[ln (195) - In(k)] Where q is the traffic flow measured in veh/hr and k is the traffic density measured in veh/mi. Based on the provided information, estimate the following (Show all your calculation steps): Maximum flow a. b. Jam density C. Maximum densityThe traffic volume of a road is 400 veh/hr. Determine the volume in PCU/hr if the vehiclesconsist of 250 passenger cars, 50 medium size lorries, 50 busses, and 50 motorcycle
- Assume you are observing traffic in a single lane of a highway at a specific location. You measure the average headway and average spacing of passing vehicles as 3.2 seconds and 20 m, respectively. Calculate the flow, average speed, and density of the traffic stream in this lane. can you explain how to solve thank you(show your formula) Given the figure above, compute for the Annual Average Daily Traffic of the Motorcycle: * a.233 B.181 C.None of the above D.228 E.183In your own words, Compare the traffic evolution situation and mode of transportation before and now. Write in 200 words.
- The median speed of vehicles on a highway segment during rush hour is 40 mph with Cv of 0.2. Assuming lognormal distribution, find the fraction of time the speed will fall below 10 mph? What about greater than 50 mph?The rate of flow at a certain point in the highway is 676.2 vehicles per hour. If the density is 14 vehicles per kilometer, find the space mean speed in miles per hour. a. 30 mph b. 45 mph c. 25 mph d. 35 mphAt a given location, the average space velocity is measured at 65 km/h and the speed flow of 1,600 vehicles/hour/lane. What is the density at this location for the period analysis?
- Determine the density of traffic on a highway for free flow speed of 80 km/hr and flow rate of 1200 pc/hr/lnIn your own words, Compare the traffic evolution situation and mode of transportation before and now.Please solve this question. Subject: Transportation engineering 1 mum safety margin is 15 ft, centerline radius is 150 ft). Problem No.3 Space Requirements for a Parking Garage The owner of a parking garage located in a CBD has observed that 22 percent of those wishing to park are turned back every day during the open hours 8 a.m. to 6 p.m. because of a lack of parking spaces. An analysis of data collected at the garage indicates that 65 percent of those who park are commuters, with an average parking duration of 9 hours, and the remaining percentage are shoppers, whose average parking duration is 2 hours. If 25 percent of those who cannot park are commuters and the rest are shoppers, and a total of 220 vehicles currently park daily in the garage (i.e. parking spaces are 220), determine the number of additional spaces required to meet the excess demand. Assume parking efficiency is 0.90.