For the Greenshields model, the mean free flow speed on a highway facility lane equals 75 mph near zero density, and the jam density is observed to be about 160 veh/mi.Plot the q-k-u curves in proper order.Write down the speed-density, flow-speed, and flow-density equations.Find out the maximum flow, and also mark it on your diagrams.Compute speeds and densities corresponding to a flow of 2,880 veh/h, describing traffic conditions from a driver’s point of view.Calculate average headways, gaps, clearance, and spacing at CASE 1: maximum flow and at CASE 2: jam density. (Suppose the average vehicle length is 17ft)

Given:Greenshields modelFree flow speed, uf = 75mphJam density, Kj = 160 veh/mileRequired:q-k-u…

Answered: For the Greenshields model, the mean…

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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For the Greenshields model, the mean free flow speed on a highway facility lane equals 75 mph near zero density, and the jam density is observed to be about 160 veh/mi.
- Plot the q-k-u curves in proper order.
- Write down the speed-density, flow-speed, and flow-density equations.
- Find out the maximum flow, and also mark it on your diagrams.
- Compute speeds and densities corresponding to a flow of 2,880 veh/h, describing traffic conditions from a driver’s point of view.
- Calculate average headways, gaps, clearance, and spacing at CASE 1: maximum flow and at CASE 2: jam density. (Suppose the average vehicle length is 17ft)

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