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The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes.

The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes.

Structural Analysis
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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The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes. 69 54 67 69 58 62| 57 61 63 58 60 60 58 54 57 60 71 65 57 63 69 69 59 54 60 67 58 46 53 59 62 54 58 68 66 59 57 64 58 52 61 65 61 53 58 57 65 47 64 54 68 59 59 62 57 66 67 58 64 60 59 59 63 56 62 64 59 57 61 61 58 57 64 70 65 55 63 45 65 57 73 61 67 62 48 62 57 60 71 53 58 60 65 61 67 62 76 71 49 58 Calculate the following traffic stream parameters 1) Time Mean Speed 2) Space Mean Speed (assume that all vehicles were traveling at a constant speed) 3) Hourly Flow Rate 4) Density 5) Sketch the speed-flow curve for these traffic conditions, assuming that the roadway capacity and free-flow speed have previously been determined to be 1800 veh/hr/ln and 62 mi/h, respectively. You can use Excel to plot the data, but should submit an original excel file to the blackboard.
Transcribed Image Text:The following spot speeds (mph) were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes. 69 54 67 69 58 62| 57 61 63 58 60 60 58 54 57 60 71 65 57 63 69 69 59 54 60 67 58 46 53 59 62 54 58 68 66 59 57 64 58 52 61 65 61 53 58 57 65 47 64 54 68 59 59 62 57 66 67 58 64 60 59 59 63 56 62 64 59 57 61 61 58 57 64 70 65 55 63 45 65 57 73 61 67 62 48 62 57 60 71 53 58 60 65 61 67 62 76 71 49 58 Calculate the following traffic stream parameters 1) Time Mean Speed 2) Space Mean Speed (assume that all vehicles were traveling at a constant speed) 3) Hourly Flow Rate 4) Density 5) Sketch the speed-flow curve for these traffic conditions, assuming that the roadway capacity and free-flow speed have previously been determined to be 1800 veh/hr/ln and 62 mi/h, respectively. You can use Excel to plot the data, but should submit an original excel file to the blackboard.
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