Q2 / Find the number of lane for the design roadway given the following traffic data: ADT = 7651 vehicles/hour in both direction, - 2% grade , K = 12% , D= 55% , Truck 30%, Busses = 10% , Normal growth for design period = 30% , Generated growth 20%, Development traffic = 250% , Track = 2 PCU , Busses = 3 PCU and Ideal Capacity = 1300 PCU / hour / lane. %3D %3D %3D %3D
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- H.W. For a two-way highway with information shown below determine future ADT and DHV. a design 20 years & construction on period of years, current ADT is 5500 vpd, annual growth rate of traffic is 4.5% per year.Given the data below: Daily Traffic Count Axle Load (Kips) 1000 (single axle cars) 300 (single axle buses) 120 (tandem axle trucks) SN is 5, Pi = 4.2, 22 40 Pr = 3, design life is 20 years, growth rate is 5%, lane distribution factor = 0.45 %3D Calculate the ESAL.Q3/ Show how to determine the number of lanes for a multilane minor arterial highway is being designed through a mountain rural area required to serve a current ADT of 5000 ypd. The following data should be used in solution: annual growth rate 4%, design, construction period = 22 years, percent of trucks 10 (pc equivalent factor= 2.0), peak hour factor 90% and the directional distribution factor 60%. %3D
- If Vf = 2327 VPH with 9% trucks, VR1 = 653 VPH with 5% trucks, and VR2 = 594 VPH with 8% trucks, what is the passenger car equivalents (Vpcph) of the onramp? Assume that the roadway is urban.For a two-way highway with information shown below determine future ADT and DHV. a design 20 years & construction on period of 5 years, current ADT is 5500 vpd, annual growth rate of traffic is 4.5% per year.Given the data below: Daily Traffic Count Axle Load (Kips) 1000 (single axle cars) 300 (single axle buses) 120 (tandem axle trucks) 100 (tandem axle trucks) 50 (triple axle trucks) 22 40 50 50 SN is 5, P = 4.2, P; = 3, design life is 20 years, growth rate is 5%, lane distribution factor = 0.45 EASL Calculate the !
- It is required to design a rural highway in Baghdad city, the anticipated peak hourly volume for the highway section under consideration within one year is shown in table below: Hour No. 5th 15th 20th 30th 1st 4000 3750 3300 45th 50 Volume (veh./hr) 3100 2850 2650 Find the required No. of lanes for this highway (PHF=0.85; DDF 0.6; Truck 10 percent,design service flow for one lane 1080 pc/hr/lane) 40th 2700 260017 An existing urban freeway with 4 lanes in each direction has the following characteristics: Traffic data: Peak hour volume (in the peak direction): 7070 veh/h Trucks: 10% of peak hour volume PHF _ 0.94 Geometric data: Lane width: 11 ft Shoulder width: 6 ft Interchange spacing (average): 1.4 mile Terrain: rolling Determine the LOS in the peak hour. Clearly state assumptions used for any values not given. Show the demand flow rate, mean speed, and density for the given conditions.A section of a two-lane rural highway is expected to have the following characteristics: Design speed of 80 km/hr, lanes of 3.6 m, walks of 1.2 m, mountainous terrain, 70% of sections without passing distance and length of 7 km. Of traffic 1,321 veh/hr: distribution by direction of 60/40, 10% of trucks, 10% of buses and 80% of light vehicles. Say what is the capacity of the section and the maximum intensity for the NS
- Pick up the correct statement from the following: (A) Seasonal cycle of traffic volume during April and November, is usually near the annual average (B) Mid-winter seasonal cycle of traffic is least (C) Mid-summer seasonal cycle of traffic is highest (D) All the above Selection of the routes, of highways depends upon (A) Feasibility of attaining ruling gradient (B) Avoidance of cutting hard rocks (C) Minimum number of bridges (D) All the above Answer: Option D Maximum number of vehicles that can pass a given point on a lane during one hour without creating unreasonable delay, is known as (A) Traffic density of lane (B) Basic capacity of lane (C) Probable capacity of lane (D) Practical capacity of laneFollowing table shows the prediction in the traffic of the road for a design period. Which one is the closest number to the design ESAL (W18) for this road (total ESAL) Load Number of Vehicle Type Equivalency Repeats Factor Compact car 0.0008 48,857,994 Buss 1.75 84,590 2 AX 0.7 497,585 З АХ 1.5 149,276 4 AX 2 84,590 5 AX 2.3 84,611 TAX (10,000 Ibs) 0.011 14,659 TAX (14,000 Ibs) 0.042 86,231 TAX (18,000 Ibs) 0.109 25,869 TAX (20,000 Ibs) 0.162 14,650 TAX (50,000 Ibs) 5.03 1,524 O 2.5 million O 0.75 million O 1.26 million 1.14 millionThe DDHV fora given highway project is 2200 veh/h and the design capacity is 1450 veh/h/ln. The calculated number of lanes in this case is about