A student records the number of vehicles that pass through a toll road lane, as shown in the following listCalculate:(a) what is the volume of vehicles per hour? 8:35-8:40104km/hour8:40-8:45109km/hour8:45-8:50116km/hour8:50-8:55122km/hourkm/hourkm/hourkm/hourkm/hourkm/hourkm/hour8:55-9:001309:00-9:051219:05-9:101019:10-9:151059:15-9:201309:20-9:251039:25-9:30107km/hourkm/hour9:30-9:35105

Answered: Image /qna-images/answer/4bc3c56f-bb03-4ed2-a01b-a76965dc412c.jpg

Answered: 8:35-8:40 8:40-8:45 km/hour 109 104…

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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Vehicle time headways and spacings were measured at a point along a highway, from a single-lane rural roadway, over the course of an hour. The average values were calculated as 2.5 seconds per vehicles for headway and 200 feet per vehicle for spacing. What is the density, in vehicle per mile?
Vehicles leave an airport parking facility (arrive at parking fee collection booths) at a rate of 400 veh/h (the time between arrivals is exponentially distributed). The parking facility has a policy that the average time a patron spends in a queue waiting to pay for parking is not to exceed 3 seconds. If the time required to pay for parking is exponentially distributed with a mean of 12 seconds, what is the smallest number of payment processing booths that must be open to keep the average time spent in a queue below 3 seconds?
22
For accident statistics in table below. Comput the following: a) Rates of fatality depending on population b) Rates of PDO accidents depending on registered vehicle Fatalities: Fatal Accidents: Injury Accidents: PDO Accidents: Total Involvements: Vehicle-Miles Traveled: Registered Vehicles: Licensed Drivers: Area Population: سم الهندسة الحالية 75 60 300 2.000 4,100 1.500.000.000 100.000 150.000 300.000 10
Answer b.
a vehicle purchased for 43,000 at a constant rate of 25% how many years it takes for the vehicle value to reach 17,000
Density on a corridor was estimated to be 47 vehicles per mile using a snapshot from a flying drone. If the average space mean speed was calculated as 45 mph, then what is the average headway between vehicles? Report your answer in seconds up to two digits after the decimal.
Road Safety According to accident statistics of a certain town over the last three years, the ten intersections having the highest number of accidents are shown in the table below together with the corresponding number of accidents and the total entering vehicles for each intersection. Identify the intersections that may be considered hazardous, using 95% level of confidence. Intersection No. Number of Accidents Daily Entering Vehicles 1 243 15,900 2 220 18,300 3 310 24,000 4 210 13,600 5 239 14,200 6 250 17,120 7 188 13,700 8 360 19,300 9 350 47,900 10 370 17,100
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At a specified point on a highway, vehicles are known to arrive according to a Poisson process. Vehicles are counted in 20-second s are intervals, and vehicle counts are taken in 120 of these time intervals. It is noted that no cars arrive in 18 of these 120 intervals. Approximate the number of these 120 intervals in which exactly three cars arrive.
[T] The following table provides hypothetical data regarding the level of service for a certain highway. Plot vehicles per hour per lane on the x-axis and highway speed on the y-axis. Compute the average decrease in speed (in miles per hour) per unit increase in congestion (vehicles per hour per lane) as the latter increases from 600 to 1000, from 1000 to 1500, and from 1500 to 2100. Does the decrease in miles per hour depend linearly on the increase in vehicles per hour per lane? Plot minutes per mile (60 times the reciprocal of miles per hour) as a function of vehicles per hour per lane. Is this function linear? Highway Speed Vehicles per Hour per Lane Density Range (vehicles / mi) > 60 < 600 < 10 60 - 57 600 - 1000 10 - 20 57 - 54 1000 - 1500 20 - 30 54 - 46 1500 - 1900 30 - 45 46 - 30 1900 - 2100 45 - 70 < 30 Unstable 70 - 200

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8:35-8:40 8:40-8:45 km/hour 109 104 km/hour km/hour km/hour km/hour km/hour km/hour km/hour km/hour 103 8:45-8:50 116 8:50-8:55 122 8:55-9:00 130 9:00-9:05 121 9:05-9:10 101 9:10-9:15 105 9:15-9:20 130 9:20-9:25 km/hour 9:25-9:30 107 km/hour