Purdue University
School of Civil Engineering
CE 361 Introduction to Transportation Engineering
Wed. 2 September 2020
Lesson 3 on Traffic Flow Models and Analysis:
Continuous and Deterministic Flow
Lesson Objectives:
By the end of this lesson,
the student will be able to ...
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Derive and explain the relationships involving speed, flow, and density.
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Fit traffic data to one proposed model of traffic flow.
Prep: Read Chapter 2 Section 3
Course offering at Purdue: CE463 Highway Traffic Characteristics
Theme Music:
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Interstate Love Song
by Stone Temple Pilots, 1994,
lyrics.
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Rockin' Down the Highway, Doobie Brothers, 1972, 3:22.
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Go with the Flow,
Queens of the Stone Age (2002, 3:17) or
Northern Lite (2007, 3:36)
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Let it Go, Let it Flow, Dave Mason Band (3:16)
Outline of Likely Topics
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Speed-Density relationship
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Speed vs. flow rates
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Density vs. flow rates
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The Greenshields Model
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Speed-flow-density relationships
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Fitting models to data
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Shockwave traffic jams recreated for first time
