New freeway is being designed on a rolling terrain, free-flow speed 65 mph 12-ft lanes, 6-ft lateral clearance Peak hour volume 2950 veh, 12% heavy vehicles PHF = 0.88 FIND: Number of lanes for LOS C
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- Problem 2. New freeway is being designed on a level terrain, free-flow speed 70 mph 12-ft lanes, 6-ft lateral clearance Peak hour volume 2700 veh, 12% heavy vehicles PHF = 0.92 FIND: Number of lanes for LOS CA new section of Richmond Highway is being designed as a six-lane facility (three ineach direction) with a two-way left-turn lane. Determine the peak-hour LOS.Traffic data:• Directional design hourly volume = 3600 veh/h• PHF = 0.94• Assumed base free-flow speed = 55 mi/h (88 km/h)Geometric data:• Urban setting• Rolling terrain• Lane width = 11 ft (3.3 m)• Shoulder widths = 4 ft (1.2 m) (right side) and 1 ft (0.3 m) (left side)• Average access point spacing = 12 points per mile on each sideA multi-lane Minor Arterial is being designed through a level urban area. The current daily volume = 8000 vpd in both directions with 10% Trucks, peak hourly factor 90%and a 60% directional distribution factor. How many lanes are required?
- 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.Given: 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 4-lane rural basic freeway segment is with hourly flow rate = 1528 pcphpl. The interchange density is 0.8/km, average lane width is 3.7m, sufficient lateral clearance. Using the HCM 2000 procedure, the estimated FFS speed (kph) and the current segment LOS are and respectively. ............. а. 104 & LOS B b. 107 & LOS E С. 108 & LOS D d. 114 & LOS C е. none
- 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).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?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?
- Given four lane urban freeway, directional peak flow 1950 veh/hr. 5% truck PHF-0.9 rolling terrain with ideal condition for the road. Determine:1- Level of service of the operation. 2- How much additional traffic before reaching capacityA 960-m segment of 5.4-km six lane divided TWLTL multilane highway in a sub-urban area is at a 1.5% grade. The highway is in level terrain and lane widths are 3-m. The peak-hour volume is 3500 veh/hr/ln, PHF is 0.90, and there are 13% trucks and 2% RVs. Determine the LOS for the following: (a) extended directional segments (b) 3% upgrade Please include complete solutionAn existing urban freeway with 4 lanes in each direction has the following characteristics. Traffic data: Peak hour volume (in the peak direction): 7,110 veh/h Trucks: 10% of peak hour volume PHF = 0.93 Geometric data: Lane width: 11 ft Shoulder width: 6 ft Total ramp density: 1.8 ramps per mile Terrain: rolling Determine the LOS in the peak hour. (Assume commuter traffic and assume no RVs.) LOS A LOS B LOS C LOS D LOS E LOS F Show the demand flow rate (in pc/h/ln), mean speed (in mi/h), and density (in pc/mi/ln) for the given conditions. demand flow rate pc/h/lnmean speed mi/h density pc/mi/ln