15. Traffic volume during a stable free-flowing condition is 600 veh/h with anaverage speed of 75 km/h. Estimate the average speed of traffic under congestedsituation for the same volume of traffic if speed & density are linearly related.The maximum free-flow speed for the road section is 90 km/h. (15 km/h)

The average speed of traffic under congested situation is 15 km/hr Note: Please refer to the…

Answered: 15. Traffic volume during a stable…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Traffic volume count has been collected on a 2-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as 1280 veh/h at level of service "C". The Peak Hour Factor is reported as 0.78125. Historical traffic volume count provides Annual Average Daily Traffic as 12270 veh/day. Directional split of the traffic flow is observed to be 60:40. Assuming that traffic stream consists of "All Cars' and all drivers are 'Regular Commuters', the number of extra lane(s) (round off to the next higher integer) to be provided, is
Andeng highway can accommodate speed of 80 kph under free-flowing conditions. On average, front bumper-to-bumper spacing of 1.20m is occuring on the highway such that the flow stops completely. Determine the flow of traffic on Andeng Highway if the average speed of the vehicles is 36 kph. final answer is 16,500
A multilane highway (three lanes in each direction) is on level terrain. The free flow speed has been measured at 50mph. The peak-hour directional volume is 1500 vehicles with 10% heavy vehicles, and PHF is 0.9. If the proportion of vehicles types and peak-hour factor remains constant, how many vehicles can be added to the directional volume before capacity is reached?
Ina road-intersection near Dhaka, average 120 cars make right-hand turns in every hour. Road planner wants to put in a 3-vehicle right- hand turn lane in the intersection to avoid blocking of thru traffic. Determine if 3-vehicle right-hand turn lane satisfy the following design criteria: Red light time of right-hand traffic is 30 seconds Right-hand turn lane must be sufficient 90% of the time.
Answer fast
Traffic volume count has been collected on a 2- lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as 1280 veh/h at level of service 'C'. The Peak Hour Factor is reported as 0.78125. Historical traffic volume count provides Annual Average Daily Traffic as 12270 veh/day. Directional split of the traffic flow is observed to be 60: 40. Assuming that traffic stream consists of 'All Cars' and all drivers are 'Regular Commuters', the number of extra lane(s) (round off to the next higher integer) to be provided, is
A Class I two-lane highway has a base free-flow speed of 110 km/h. Lane width is 3.6 m, and shoulder width is 2.4 m. There are six access points per kilometre. The roadway is located in rolling terrain with 40 percent no-passing zones. The two-way traffic volume is 1000 veh/h, with a PHF of 0.90. The directional split is 70:30. Traffic includes 10 percent trucks and 5 percent recreational vehicles. The length of the analysis segment is 9.5 km. Compute service flow rate for the two-way segment.
Find level of service (LOS) for an old freeway in Basrah city with the following characteristics: (free flow speed (FFS) = 65 (mi/hr), peak hour factor (PHF) = 0.80, umber on lanes (N) = 3 in one direction, factor of heavy vehicles (fív) = 0.90 and traffic volume (V) = 2200 (veh/hr).
An existing four-lane freeway in rural area is with the following :information Lane width 3.5m, 0.9m lateral clearance, 1800 veh/hr peak hour volume, PHF=0.9, interchange density =0.90, 5% trucks, 5% buses and the road is within a mountainous terrain. Then based on the HCM procedure, the service flow rate (pc/h/In) is
A traffic count was conducted to a rural road, if the peak hour traffic volume is 1500 vehicle/day. If the directional distribution (40:60%) and traffic composition is 70%Pc, 20% bus and 10% trucks. Estimate the number of lanes. Assume Lane capacity is 2000 Pc/hr/lane and PHF= 0.7

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