Q/ Find the jam density for the section of road with normal flow (1200 veh/hr) and average space mean speed 60km/hr if you know that the maximum flow is 1800 ?veh/hr
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A: u2 = Speed of truck= 20 kphL = Length of travel = 6.60 km kj = Jam density = 95 veh/km/laneuf = Mean…
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A: Given, Kj=200 veh/ kmVo=500 veh/hrK=155 veh/km
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A: From the greenshields modelMaximum discharge is given by:Qmax=Vfkjam2Qmax=55mph95vm2Qmax=1306.25vhr
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A: given- Maximum speed/free flow speed-Vm=60 kmphJam density km=120 kmph
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Q: Compute the rate of flow in veh/hr if the space mean speed is 35 mph and the density of traffic is…
A: Space Mean speed = 35 mph = 56.32 Km/hour Density of traffic = 17 vehicle/km
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A: Given data: The free flow speed is Vf The jam density is kj
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- Given a Greenshields linear density-speed relationship of us = 71.2 - 0.584k a. derive the flow-speed relationship equation b. Derive the flow-density relationship equation c. Find the mean free flow speed d. Find the jam density e.Find the capacityQ3b. The 15km Atta Mills road connecting Old Barrier to Kokrobite operates with a capacity of 2250 pcu/hr and can be traversed within 15 minutes under free flow conditions. If a flow of 3100 pcu/hr is assigned to the road based on the capacity-restrained approach, what would be the resultant travel time after the traffic assignment proce ss.Consider an arrival rate of 200 veh/hr for the first 30 minutes (0.5 hr) and 100 veh/hr afterwards (0.5 hr and onward). The maximum capacity (departure rate) for the roadway segment is 150 veh/hr. Determine the maximum excess accumulation.
- Estimate the free-flow speed of a six-lane suburban freeway with 12 ft lanes, a right-side lateral clearance of 2ft,and ramp density of 3.5 ramps/mi. Normal conditions, i.e., good weather, no incidences, no work zones, andregular users of the facility, may be assumed.Plz solve fast! A traffic stream display average vehicle time headway of 2 sec at space mean speed 60 km/hr compute average space headway, flow rate and density for traffic stream?The following equation describes flow-density relationship: q=46k−0.30 k^2 where q is in vehicles per hour. Use Greenshield’s model. a.Calculate flow at capacity. b.Calculate the jam density. c.Calculate the shockwavespeed from initialdensity of 76 vpk to final density of 129.2 vpk.
- Compute the rate of flow in veh/hr if the space mean speed is 35 mph and the density of traffic is 17 veh/km.1.. Please show work and steps. If an approach has a PHF of 0.90 and a counted hourly volume of 800 veh/hr what is the maximum 15-minute volume and peak rate of flow? What is the highest and lowest possible value of PHF? At a given location, the space mean speed is measured as 70 mph and the rate of flow as 2200 pc/h/ln. What is the density at this location for the analysis period? How could you decrease the density by 10%?Andeng highway can accommodate speed of 80 kph under free-flowing conditions. On average, front bumper-to-bumper spacing of 1.20m is occuring on the highway such that the flow stops completely. Determine the flow of traffic on Andeng Highway if the average speed of the vehicles is 36 kph. final answer is 16,500
- Traffic volume is 2578 veh/hr with 687 vehicles arriving in peak 15 minutes.There are tow lanes, 12 percent trucks(30/70 split for SUT/TT), the length of the road is 1.8 miles long with a 3.5 percent grade. calculate the analysis flow rate?A section of highway having a length 60 m. The observed data are 6 vehicles cross over it in a period of 148 sec., for the following duration: 2.4, 2.8, 3.0, 2.1, 2.2, and 3.5 sec. Estimate the values of the flow rate, density, space-mean speed, time-mean speed, average gap. and average clearance. If the length of vehicles are 6, 5.4, 6.6. 4.8, 7.5, and 6 m respectively?The SLEX was designed to carry a free-flow speed of 50 kph and a capacity of 4000 veh/hr. At a certain point near the intersection of a road leading to Laguna, there were 3600 vehicles counted in one hour. Assume a linear relationship. Determine the space-mean speed. Determine the jam density.