Determine the values of a) free flow speed in mph, b) optimum speed in mph, c) is this relationship Greenshields one ?

Structural Analysis
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Chapter2: Loads On Structures
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Determine the values of a) free flow speed in mph, b) optimum speed in mph, c) is this relationship Greenshields one ? Why (or why not)? 

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13. The following flow-speed relationship applies to a given freeway section. The units of speed (u),
flow (q), and density (k) are in mph, vph, veh/mile, respectively. You cannot assume it is a
Greenshields model.
q = 214 u – 2.9 u?
ermine the values of: a) free flow speed in mph, b) optimum speed in mph. c) is this relationship
reenshields one? Why (or why not)?
Transcribed Image Text:13. The following flow-speed relationship applies to a given freeway section. The units of speed (u), flow (q), and density (k) are in mph, vph, veh/mile, respectively. You cannot assume it is a Greenshields model. q = 214 u – 2.9 u? ermine the values of: a) free flow speed in mph, b) optimum speed in mph. c) is this relationship reenshields one? Why (or why not)?
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