QUESTION 13 60 10 15-min Volumes V 75 Lane Configurations What is the movement capacity of the left turn from the main street if the potential capacity is 1,238 veh/h?
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- A rail transit system has prescribed the following factors:1. Peak hour demand = 30000 passengers/hr2. Minimum required speed = 55 ft/sec3. Deceleration = 3 ft/sec24. Safety factor = 1.455. Vehicle length = 80 ft6. Allowable vehicle capacity = 150 pass/veh7. Guideway utilization factor = 0.838. Minimum headway = 110 secHow many cars should the train consist of to provide adequate passenger capacity?QUESTION 12 60 10. 15-min Volumes 75 40 Lane Configurations Y Consider the left turn movement from main street. If the conflicting flow rate is 280 veh/hr, and the critical headway, adjusted for heavy vehicles and grade, is 4.2 seconds, and the follow-up time, adjusted for grade, is 2.29 seco nds, calculate the potential capacity, Cp,4 (veh/h). Provide your answer to the nearest integer. SRCPWhat will be the theoretical capacity of a traffic lane with one way traffic flow at a stream speed of 40 kmph? [Assume the average space gap between vehicles to follow the relation s where V is stream velocity in kmph, t is = 0.278VŁ 8. %3D average reaction time = 0.7 sec and average length of vehicles 5 m]
- Consider the geometric and traffic characteristics shown below. Approach(Width) North(56 ft) South(56 ft) East(68 ft) West(68 ft) Peak hour Approach Volumes: Left Turn 155 95 190 156 Through Movement 442 395 585 538 Right Turn 172 167 201 210 Conflicting Pedestrian Volumes 900 1,200 1,200 900 PHF 0.95 0.95 0.95 0.95 For the following saturation flows: Through lanes: 1,600 veh/h/ln Through-right lanes: 1,400 veh/h/ln Left lanes: 1,000 veh/h/ln Left-through lanes: 1,200 veh/h/ln Left-through-right lanes: 1,100 veh/h/ln The total cycle length was 262 s. Now assume the saturation flow rates are 10% higher, that is, assume the following saturation flow rates: Through lanes: 1,760 veh/h/ln Through-right lanes: 1,540 veh/h/ln Left lanes: 1,100 veh/h/ln Left-through lanes: 1,320 veh/h/ln Left-through-right lanes: 1,210 veh/h/ln Determine a suitable signal phasing system and phase lengths (in s) for the intersection using the…Problem-5 b, What is the theoretical capacity (in vehicle/hour/lane) of a traffic lane with one way traffic flow at a stream speed of 50 kmph? wwww [Assume the average space gap between vehicles to follow the relation Sg = 0.278 V.t. where 'V' is the stream speed in kmph, 't' is the average reaction time = 0.7 sec, average length of vehicles = 5.0 m]Consider the geometric and traffic characteristics shown below. Approach(Width) North(56 ft) South(56 ft) East(68 ft) West(68 ft) Peak hour Approach Volumes: Left Turn 165 105 200 166 Through Movement 447 400 590 543 Right Turn 162 157 191 200 Conflicting Pedestrian Volumes 900 1,200 1,200 900 PHF 0.95 0.95 0.95 0.95 For the following saturation flows: Through lanes: 1,600 veh/h/ln Through-right lanes: 1,400 veh/h/ln Left lanes: 1,000 veh/h/ln Left-through lanes: 1,200 veh/h/ln Left-through-right lanes: 1,100 veh/h/ln The total cycle length was 283 s. Now assume the saturation flow rates are 10% higher, that is, assume the following saturation flow rates: Through lanes: 1,760 veh/h/ln Through-right lanes: 1,540 veh/h/ln Left lanes: 1,100 veh/h/ln Left-through lanes: 1,320 veh/h/ln Left-through-right lanes: 1,210 veh/h/ln Determine a suitable signal phasing system and phase lengths (in s) for the intersection using the…
- 0-1 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? 0-2 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 0-3|| A vehicle takes 1.5 hr to travers a distance of 90 km between two cities. Calculate the journey speed and operational delay if you know that the running speed of this vehicle exceeds it journey speed by 10 km/hr ?Compute the peak hour factor if the hourly volume of traffic is 1800 vehicles/hour and the highest 15-min. volume is 750. A 0.3 В 0.5 0.6 0.4Problem-5 b, What is the theoretical capacity (in vehicle/hour/lane) of a traffic lane with one way traffic flow at a stream speed of 50 kmph? [Assume the average space gap between vehicles to follow the relation Sg = 0.278 V.t. where 'V' is the stream speed in kmph, 't' is the average reaction time = 0.7 sec, average length of vehicles = 5.0 m]
- Given the volumes per movement and phasing pattern, allocate the green time to the 2 phases. Use amber = 3 sec All red = 2 sec Starting loss = 2 sec S = 1,900 pc/hr/lane a.. Compute the y values b. Compute the lost time if L= 2 x starting loss + 2 x all red c. compute the optimum cycle time (the cycle length is normally rounded off to multiples of 5 or 10) d. allocate the green time to phase 1 and 23. Compute the average speed that a passenger car should travel in a certain freeway if the spacing if the car moving in the same lane is 40 meters traffic at this instant is 2000 vph. 80 kph center to center. Volume ofon a certrain stretch of track, trains run at 60kph. how far back of a stopped train should a warning torpedo be plaed to signal an on coming train in meters? asssume that the brakes are applied at once and retard the train at a uniform rate of 2 ft/s^2.