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- HW1 What are the level of service and capacity of the weaving segment on the urban freeway shown below? ID trucks; PHF=0.91; level terrain; f,=1, FFS=65 mph 0.8 int./mi -10 percent Ls = 1,500 ft VFF = 1,815 veh/h VRF = 1,037 veh/h VFR = 692 veh/h VRR = 1,297 veh/h v= 4,841 veh/hProblem 3: Highway segment is going under planning review. Given the following facts: Lane Width = 3.4 m Number of Lanes (N) - 2 (in cach direction) Total Lateral Clearance = 3.0 m Median No Median The 85th % Speed was found to be 100 km/hr (i.e. BFFS = 100 km/hr) PHF - 0.83 Terrain Type: Rolling You are asked to: A. Determine the maximum peak-hour volume that the segment can serve at a LOS C. B. Make suggestions on how to increase the total capacity while maintaining the LOS at C without major investments.Us= 95 - 0.95K None of the above answes Determine the L.O.S of the road if PHF = 0.88, D=60%, K=0.11, V=115 kph? For an Existing 4 lane freeway having the following features: Lane and shoulder width = 12 ft, 6 ft, weekday commuter Percent of trucks and buses = 8% and 4% respectively and Et =2.5, Eb =2.2. AADT = 35200 veh/day, Assume lane capacity 2000 pc/hr 1 Add file Submit ver submit passwords through Google Forms. This form was created inside of Palestine Polytechnic university. Report Abuse
- A suburban undivided 6-lane highway on rolling terrain has a peak hour volume () in one direction of 2000 vehicles per hour, with a peak hour factor estimated at 0.85. All lanes are 3.05m (10 ft) wide. There are no obstructions within 1.83m (6ft) of the kerb. The percentages for the various heavy vehicle types are: 12% PT P 10% PR 10% B Determine the level of service of this section of highway Activate assignment 2.JPG Open file assignment 1.PG Open file ...Q: The expected daily traffic (AADT) for tow-way on a major six-lane flexible pavement highway consists of trucks of type 1 and 2 with equivalency factors as follow: type1 truck 1000/day(2. way) type2truck 500/day (2 way) 24kips(single) 24Kips(Tandem) 12kips(single) Equiv. 3.22 0.450 0.010 factor 24kips(single) 3.22 12 kips(Tandem) 0.026 Performance penod-15 years, annual growth rate=4%, tirectional distribution percent -70%, design lane percent 80 %, required structural number for subgrade = 5.7, asphalt concrete surfacing layer coefficient (4,-0.42), asphalt concrete base layer coefficient (a₂-034), gravel and soil subbase layer coefficient (93-0.12) and the modify drainage coefficient (m = 1.0) for all pavement courses Find the equivalent single axle load (ESAL) and draw a simple sketch of designed three pavement thickness courses with all necessary calculations?Determine the LOS on a regular weekday on a 0.4 mile section of a six lane freeway with a grade of 2%, using the following data; Hourly volume = 3000 veh.hr PHF = 0.85 Traffic composition: Trucks = 12% RVs = 2% Lane width = 11 ft Terrain = level Base free flow speed = 70mi/h Shoulder width = 6ft Interchange spacing = 1 mile Driver population adj factor, fp = 1.0
- If the weaving configuration below has four lanes and 2000 feet between the ramps, propose the improvements needed to reach an overall level of service of C. Assume a PHF of 0.92, 10% trucks, FFS of 65 mph, lane capacity under ideal conditions of 2,350 pcph and 0.8 interchanges per mile. VFR 1200 VPH = VFF 3000 VPH = VRR = 2300 VPH VRF 1000 VPH4. A tall building is located 60 ft from the centerline of the right lane of a local road and 40 ft from the centerline of the right lane of an intersecting lane. The maximum speed at the intersecting road is 60 mph. Assume level grade. a. What should be the speed limit on the local road such that the minimum sight distance is provided to avoid any imminent collisions? b. If the minimum distance is not available, what would be your recommendation for safe operation? Table 1: Suggested lengths of Sight-Triangle for Right-turn cases Design Speed (mi/h) 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Length of Leg (ft) 70 90 115 140 165 195 220 245 285 325 365 405 445 485During the peak hour on a Class I two-lane highway, volumes northbound are 1200 veh/h and volumes southbound are 400 veh/h. The PHF is 0.95, and there are 14% trucks/ buses and 4% RVs. Lane widths are 3.35 m, and shoulder widths are 1.2-m. The roadway section is 8-km in length, and there are 12 access points per mi. There are 50% no-passing zones and the base free-flow speed is 96 km/h. Determine the base percent time following in the direction analyzed in percent. Assumc Level terrain.
- The 3 eastbound lanes of a rural freeway segment have 11 ft lane widths. There is a 3 ft lateral clearance on the right side of the road. There are no ramps within the influence area. What is the estimated FFS (mph)? Provide your answer to the nearest tenths.Determine the value of PTSF for a 6-mile two-lane highway in rolling terrain. Traffic data are as follows: • Volume = 1600 veh/h (two-way) • Percent trucks = 14% • Percent RVs = 4% • Peak hour factor = 0.95 • Percent directional split = 50 - 50 • Percent no-passing zones = 504. Find the level of service of the following road: (35 points) • 6-lane freeway, terrain: rolling, lanes: 11 ft, right shoulder: 5 ft, 3 ramps in 2 miles peak hour traffic volume in each direction: 4000 veh/h, PHF: 0.95, % trucks: 10% Solution 5 fHV= 6 Vp1684.2 pc/h/In FFS = 68.6 mph c=2385.7 pc/h/In S = 66.5 mph D = 25.3 pc/mi/In LOS C