A six-lane freeway has 11-ft lanes with 5-ft shoulders on the right side. There are 5 interchanges every ten miles. Estimate the free flow speed.
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- An eight-lane freeway section is designed to have a lane width of 12 ft, right-side shoulder width is 3 ft, and 3 ramps over a 2-mile-long centerline. What is the free-flow speed for this freeway section? a. 75 mph b. 70 mph 65 mph O d. 60 mph C.An eight-lane freeway section is designed to have a lane width of 10 ft, right-side shoulder width is 4 ft, and 5 ramps over a 2-mile-long centerline. What is the free-flow speed for this freeway section? a. 75 mph b. 70 mph c. 65 mph d. 60 mphA freeway is to be designed for the following conditions:Heavy vehicle adjustment factor = 0.80Total ramp density =0.75 ramps/miTwo lanes each way with average lane width = 12 ftRight side lateral clearance = 4 ftNo. of lanes in one-way = 2 What is the free flow speed (FFS) in mph of the basic freeway segmen?
- A six-lane freeway (three lanes in each direction in mountainous terrain has 10-ft lanes and obstructions 1ft from the right edge. There are five ramps within three miles upstream of the segment midpoint and four ramps within three miles downstream of the segment midpoint. The traffic stream consists of mostly commuter with a peak hour factor of 0.84, peak-hour volume of 2500 vehicles, and 4% recreational vehicles. What is the level of service?A basic segment of a rural freeway has the following characteristics: • Four-lanes (two lanes in each direction)%3B There is one ramp within 3 miles upstream, and 2 ramps within 3 miles downstream; 10-ft lanes; Right shoulder width of 4 ft; • Level terrain;. 10% trucks and 5% buses in the vehicle stream. Calculate the FFS at this freeway section and then determine the level of service (LOS) when the flow rate is 1740 pc/h/In. (Write the answer for the LOS in the box below).QUESTION 1 A four-lane urban freeway segment has a peak demand volume of 3,500 vehicles per hour for the two eastbound lanes. The PHF is 0.95 and there are no trucks, buses or RVs because the freeway is classified as a parkway and such vehicles are prohibited. The segment has 12 ft lanes, no lateral obstructions, 3 ramps within the influence area, and meanders through some beautiful rolling terrain. Assuming the road will be used by commuters and those familiar with the road, what is the flow rate (pcphpl)? Provide your answer to the nearest integer.
- A new basic freeway segment will have 3 lanes in each direction. The left and center lane each has a width of 12 ft while the width of the right lane is 13 ft. The left shoulder is 4 ft while the right shoulder is also 4 ft. There are 2 interchanges within 6 miles (3 miles upstream and 3 miles down stream).The site has level terrain, the design speed is 80 mph the hourly design volume is 5250 veh/h, which includes 9.0% trucks and buses. The peak hour factor is 0.870. Calculate FHV, VP, FFS, LOS Show all work1. An existing urban freeway in rolling terrain is to be analyzed to determine LOS using the following information: Number of lanes in each direction: 3 Peak hour volume: 3500 veh/h (in the peak direction, mainly commuter traffic) 8% trucks 0% recreational vehicles PHF=0.95 Lane width: 11 ft Lateral clearance: 4 ft Average interchange spacing: 1.0 mile Base FFS: 65 mphGiven: 4-lane urban freeway; Interchange density 1.5/mile; Directional peak flow = 1950 veh/hr; 5% trucks; PHF = 0.90; 11 ft lanes; obstructions 4ft from right edge; Rolling terrain.Determine (a) LOS, and; (b) how much additional traffic could be accommodated before reaching capacity?
- A six-lane freeway (three lanes in each direction) in mountainous terrain has 10-ft lanes and obstructions 1 ft from the right edge. There are five ramps within three miles upstream of the segment midpoint and four ramps within three miles downstream of the segment midpoint. The traffic stream consists of mostly commuters with a peak hour factor of 0.84, peak-hour volume of 2500 vehicles, and 4% recreational vehicles. What is the level of service? (Write the letter only)A freeway is to be designed to provide LOS C for the following conditions: design hourly volume of 5600 veh/h; PHF: 0.92; trucks: 6%; free flow speed: 70 mi/h; no lateral obstructions;rolling terrain; total ramp density of 0.75 ramps per mile.Determine: whether eight (four in each direction) 12 ft lanesare enough to provide LOS C.A multi-lane Minor Arterial is being designed through a rolling urban area. The current daily volume = 10000 vpd in both directions with 10% Trucks, peak hourly factor 94%and a 60% directional distribution factor. How many lanes are required?