Assume that the speed-density function of a section of a highway follows the Greenshields model. The free-flow speed is 75 mph and the jam density is 176 veh/mi/ln. Derive V as a function of S. In 15 minutes, you have counted that V = 150 veh/15-minute/In. Estimate the two possible speeds S (in mph) during this 15-minute period.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Assume that the speed-density function of a section of a highway follows the Greenshields
model. The free-flow speed is 75 mph and the jam density is 176 veh/mi/In. Derive V as a
function of S. In 15 minutes, you have counted that V = 150 veh/15-minute/In. Estimate the
two possible speeds S (in mph) during this 15-minute period.
Transcribed Image Text:Assume that the speed-density function of a section of a highway follows the Greenshields model. The free-flow speed is 75 mph and the jam density is 176 veh/mi/In. Derive V as a function of S. In 15 minutes, you have counted that V = 150 veh/15-minute/In. Estimate the two possible speeds S (in mph) during this 15-minute period.
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