A section of a freeway has a speed-density relationship as following: If density < 30 veh then speed equal to the free-flow speed. hr veh If density > 30 then assuming a linear speed-density relationship, and the hr speeds and densities of the freeway are shown in the table below: Speed (mile/hr) 45 60 Density (veh/hr) 90 60 Find: 1- Free-flow speed and Jam density. 2- The space-mean speed, flow, and density at freeway capacity.

A section of a freeway has a speed-density relationship as following: If density < 30 veh then speed equal to the free-flow speed. hr veh If density > 30 then assuming a linear speed-density relationship, and the hr speeds and densities of the freeway are shown in the table below: Speed (mile/hr) 45 60 Density (veh/hr) 90 60 Find: 1- Free-flow speed and Jam density. 2- The space-mean speed, flow, and density at freeway capacity.

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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Engineering /Civil Engineering /Transportation Engineering
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