Data from a 6-ft by 6-ft inductive loop detector collected during a time period of 24 sec indicate that the mean speed of traffic is 52 mi/h among the 15 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density (in veh/mi) and occupancy (percentage). density____________veh/mi occupancy ______________%

Data from a 6-ft by 6-ft inductive loop detector collected during a time period of 24 sec indicate that the mean speed of traffic is 52 mi/h among the 15 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density (in veh/mi) and occupancy (percentage). densityveh/mi occupancy __%

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter6: Fundamental Principles Of Traffic Flow

Section: Chapter Questions

Problem 6P

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Data from a 6-ft by 6-ft inductive loop detector collected during a time period of 24 sec indicate that the mean speed of traffic is 52 mi/h among the 15 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density (in veh/mi) and occupancy (percentage). density ___________veh/mi occupancy ___________%
Data from a 6-ft by 6-ft inductive loop detector collected during a time period of 33 sec indicate that the mean speed of traffic is 52 mi/h among the 15 vehicles counted. Assume an average vehicle length of 19 ft. Determine the density (in veh/mi) and occupancy (percentage). density occupancy veh/mi % Need Help? Read It Watch It
Data from a 6ft by 6ft inductive loop detector collected during a 60 second interval indicates that the mean speed of traffic is 50mph among the 32 vehicles counted. Assume an average vehicle length of 19ft. Calculate a. The density, b. The occupancy, and C. The flow rate during this interval.
Data obtained from aerial photography showed six vehicles on a 600 ft-long section of road. Traffic data collected at the same time indicated an average time headway of 4 sec. Determine (a) the density on the highway, (b) the flow on the road, and (c) the space mean speed. 6-2
Data obtained from aerial photography showed six vehicles on a 600 ft – long section of road. Traffic data collected at the same time indicated an average time headway of 4 sec. Determine (a) the density on the highway, (b) the flow on the road, and (c) the space mean speed.
Calculate the minimum passing sight distance required for a two-lane rural roadway that has a posted speed limit of 45 mi/h. The local traffic engineer conducted a speed study of the subject road and found the following: average speed of the passing vehicle was 47 mi/h with an average acceleration of 1.43 m/h/sec, and the average speed impeder vehicles was 40 mi/h. Show your solutions.
5. Calculate the minimum passing sight distance required for a two-lane rural roadway that has a posted speed limit of 45 mi/h. The local traffic engineer conducted a speed study of the subject road and found the following: average speed of the passing vehicle was 47 mi/h with an average acceleration of 1.43 mi/h/sec, and the average speed of impeder vehicles was 40 mi/h.
Calculate the minimum passing sight distance required for a two-lane rural roadway that has a posted speed limit of 45 mi/h. The local traffic engineer conducted a speed study of the subject road and found the following: average speed of the passing vehicle was 47 mi/h with an average acceleration of 1.43 m/h/sec, and the average speed impeder vehicles was 40 mi/h.
Two set of students are collecting traffic data at the two sections A and B 300 meters apart long a highway . Observation at A shows that 5 vehicles pass that section at intervals of 9 sec , 10 sec, 11 sec, 13 sec, and 15 sec respectively. If the speed of the vehicles were 84, 76, 68, 60 and 52 kph, compute the time mean spee (kph), space mean speed (kph), density of the highway
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Question 35 24-h traffic count at a road section was observed to be 1000 vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is 1.121 and monthly adjustment factor for July is 0.913, the Annual Average Daily Traffic (in veh/day, round off to the nearest integer) is
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