Traffic and Highway Engineering - With Mindtap
5th Edition
ISBN: 9781305360990
Author: Garber
Publisher: CENGAGE L
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Question
Chapter 6, Problem 7P
To determine
(a)
Using regression analysis to fit these data to the Greenshields model and find the mean free speed.
To determine
(b)
Using regression analysis to fit these data to the Greenshields model and find the jam density.
To determine
(c)
Using regression analysis to fit these data to the Greenshields model and find the capacity.
To determine
(d)
Using regression analysis to fit these data to the Greenshields model and find the speed at maximum flow.
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The data shown below were obtained by time-lapse photography on a highway. Use regression analysis to fit these data to the Greenshields model and determine
The mean free speed
The jam density
The capacity
The speed at maximum flow
Speed(mi/h)
Density (veh/mi)
14.2
85
24.1
70
30.3
55
40.1
41
50.6
20
55
15
Use linear regression to fit the highway speed/density data shown here to the Greenshields model, and use it to determine:
a. The mean free flow speed
b. The jam density
The capacity
The speed at max flow
R² of this data
6-5
The data shown below were obtained on a highway. Use regression analysis to fit these
data to the Greenshields model and determine (a) the mean free speed, (b) the jam
density, (c) the capacity, and (d) the speed at maximum flow.
Speed (mi/h)
Density (veh/mi)
14.2
85
24.1
70
30.3
55
40.1
41
50.6
20
55.0
15
Chapter 6 Solutions
Traffic and Highway Engineering - With Mindtap
Ch. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - Prob. 10P
Ch. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Prob. 24PCh. 6 - Prob. 25PCh. 6 - The arrival times of vehicles at the ticket gate...Ch. 6 - Prob. 27P
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