The curve below shows the traffic stream's speed and flow data on a section of the highway. 2600 2400 2200 2000 1800 1600 1400 1200 1000 10 15 20 25 30 35 40 45 50 55 SPEED (MILE/HR) By using Greenberg (non-linear) model, find: a. Free-flow speed and jam density. b. Correlation coefficient (R²) of the estimated speed-density relationship, c. Estimate and draw flow-density relationship, and d. Maximum flow, maximum density, and maximum speed. FLOW (VEH/HR)
The curve below shows the traffic stream's speed and flow data on a section of the highway. 2600 2400 2200 2000 1800 1600 1400 1200 1000 10 15 20 25 30 35 40 45 50 55 SPEED (MILE/HR) By using Greenberg (non-linear) model, find: a. Free-flow speed and jam density. b. Correlation coefficient (R²) of the estimated speed-density relationship, c. Estimate and draw flow-density relationship, and d. Maximum flow, maximum density, and maximum speed. FLOW (VEH/HR)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The curve below shows the traffic stream's speed and flow data on a section of the highway.
2600
2400
2200
2000
1800
1600
1400
1200
1000
10
15
25
30
35
40
45
50
55
SPEED (MILE/HR)
By using Greenberg (non-linear) model, find:
a. Free-flow speed and jam density.
b. Correlation coefficient (R2) of the estimated speed-density relationship,
c. Estimate and draw flow-density relationship, and
d. Maximum flow, maximum density, and maximum speed.
FLOW (VEH/HR)
20
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