Answer question 7 7. When becomes possible to have a high density on a highway, but a flow of approximately 0 veh/hr?8. The following figure shows an example of an aerial photo taken of 500 ft of roadway. It shows vehiclestraveling at constant speeds on a rural highway of two-lanes (one per direction). A researcher standingat the beginning of the section observed 3 vehicles passing during a period of 11 seconds. Thevelocities of each vehicle across the 500 ft were as 60 mph, 30 mph and 40 mph, respectively. Calculatethe flow, density and space-mean-speed based on the schematic.160'60'20¹20¹120'40 mph30 mphB500'20¹60 mphA100'Direction of flow

Traffic flow is defined as the total number of vehicles passing a given point in a given time. It…

Answered: 7. When becomes possible to have a high…

Engineering

Civil Engineering

7. When becomes possible to have a high density on a highway, but a flow of approximately 0 veh/hr?

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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Concept explainers

Capacity and Level of Service at Intersections

The term capacity is associated with transportation engineering. Capacity helps to understand how many pedestrians or vehicles can be handled by a transport facility. Level of service is also a term associated with transportation engineering. The level of service indicates the performance of the transport facility.

Question

Answer question 7

7. When becomes possible to have a high density on a highway, but a flow of approximately 0 veh/hr?
8. The following figure shows an example of an aerial photo taken of 500 ft of roadway. It shows vehicles
traveling at constant speeds on a rural highway of two-lanes (one per direction). A researcher standing
at the beginning of the section observed 3 vehicles passing during a period of 11 seconds. The
velocities of each vehicle across the 500 ft were as 60 mph, 30 mph and 40 mph, respectively. Calculate
the flow, density and space-mean-speed based on the schematic.
160'
60'
20¹
20¹
120'
40 mph
30 mph
B
500'
20¹
60 mph
A
100'
Direction of flow

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