An incident that occurs on a particular highway results in traffic incurring an average delay of one hour per vehicle. An estimated 4,000 vehicles are impacted by the incident. If the distribution of traffic is comprised of 4 percent five-axle trucks, 3 percent three-axle trucks, 5 percent six-tire trucks, 2 percent four-tire trucks (for all purposes), 2 percent medium autos for business purposes, percent small autos for business purposes, and the remainder automobiles for personal purposes, what is the value (in dollars) of the total delay incurred by the traffic? $ (No Response)

An incident that occurs on a particular highway results in traffic incurring an average delay of one hour per vehicle. An estimated 4,000 vehicles are impacted by the incident. If the distribution of traffic is comprised of 4 percent five-axle trucks, 3 percent three-axle trucks, 5 percent six-tire trucks, 2 percent four-tire trucks (for all purposes), 2 percent medium autos for business purposes, percent small autos for business purposes, and the remainder automobiles for personal purposes, what is the value (in dollars) of the total delay incurred by the traffic? $ (No Response)

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter13: Evaluating Transportation Alternatives

Section: Chapter Questions

Problem 8P

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13. An incident that occurs on a particular highway results in traffic incurring an average delay of one hour per vehicle. An estimated 2,000 vehicles are impacted by the incident. If the distribution of traffic is comprised of 5% five-axle trucks, 2% three-axle trucks, 4% six-tire trucks, 2% four-tire trucks, 4% medium auto for business purposes, 3% small auto for business purposes, and the remainder are automobiles for personal purposes, what is the value of the total delay incurred by the traffic.
A one-way road is found to have a capacity of 2000 veh/hr. If a traffic enforcer says thatt thetraffic volume there is only 150 veh/hr, can you conclude that the traffic condition is not congested? Why or why not? Illustrate using a diagram.
A one-way road is found to have a capacity of 2000 veh/hr. If a traffic enforcer says that the traffic volume there is only 150 veh/hr, can you conclude that the traffic condition is not congested? Why or why not? Illustrate using a diagram.
During peak hours, 3800 vehicles pass through a certain highway from 9:00 am to 11:00 am, with space mean speed of 20kph. What is the average space headway per vehicle in meters?
QUESTION 12 One lane of a uniform section of highway has an optimum density of 70 vehicles per mile and an optimum speed of 35 miles per hour. If vehicles are travelling at an average speed of 40 mph, the traffic flow conditions are CONGESTED. O True O False
freeway with two northbound lanes is shut down because of an accident. At the time of the accident, the traffic flow rate is 1200 vehicles per hour per lane and the flow remains at this level. The capacity of the freeway is 2200 vehicles per hour per lane when not impacted by an accident. The freeway is shut down completely for 20 minutes after the accident; then one lane is opened 20 minutes after accident; and finally both lanes are opened 40 minutes after the accident. What is the total delay resulting from the accident (assuming D/D/1 queuing)?
Problem 30: The maximum number of vehicles that pass a point on a highway during a period of 60 consecutive minutes. This volume is used for functional classification of highways, geometric design standards selection, capacity analysis, development of operational programs, and development of parking regulations.
The number of accidents for 6 years recorded in a certain section of a highway is 589. If the average daily traffic is 476, determine the accident rate per million entering vehicles.
Compute the annual ESAL for the traffic summarized in the table below, using the fourth power formula and assuming 350 days per year to compensate for reduced traffic on weekends. Weekday Traffic Data Truck Gross Weight Average (lbs) 20,000-40,000 40,100-66,000 66,100-80,000 80,100-110,000 Load on Steering Axle Load Distribution (Front/Rear) Number of Trucks 32,000 58,000 76,000 108,000 Weight (lbs) 3-Axle, All Single equal load singles front, -S2 for one tandem for the rear, -2 for two equal load singles for the trailer) 200 0 0 Trailer 5-Axle, 3-S2 Semi 5-Axle, 3-S2-2 Semi + (3 for one steering (3 for one steering single single and two and two equal load for the 8,000 lbs. Equal for the front, -S2 for one tandem for the rear) 330 800 800 300 12,000 lbs. 60/40 380 320 350 360 14,000 lbs. 30/30/20/20
Suppose that a crash occurs on a two lane highway, blocking one lane for 45 minutes and dropping the capacity of the other lane by 70% for the same time period. After 45 minutes, the crash and emergency vehicles are cleared from the road and capacity of each lane returns to its normal value of 2000 vehicles/hour/lane. If vehicles approach the section at a rate of 2500 vehicles/hour and the queuing system can be assumed to be D/D/1: What is the length of the longest queue? vehicles How many minutes after the crash occurs does the queue clear? minutes
During peak hours, 3800 vehicles pass through a certain highway from 9:00 AM to 11:00 AM, withspace mean speed of 20 kph. What is the average space headway per vehicle in meters?
1) SITUATION. On a specific westbound section of highway, studies show that the speed-density relationship is: It is known that the capacity is 4200 veh/hr and the jam density is 210 veh/km. .What is the density that would give this capacity 136.64 veh/km 417.79 veh/km 336.12 veh/km 215.67 veh/km 2) What is the space-mean speed of the traffic at capacity? A 20.22 kph 18.36 kph 30.74 kph 48.68 kph 3) 3. What is the free-flow speed? 41.78 kph 76.85 kph 39.52 kph D 22.57 kph