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A STATISTICAL ANALYSIS OF SPEED-DENSITY HYPOTHESES

Jennifer Drake, Joseph L. Schofer, A. D. May

Open publisher page 297 citations

Abstract

THE OBJECTIVE OF THIS STUDY WAS TO TEST AND EVALUATE SEVEN DIFFERENT SPEED-DENSITY MODELS: THE GREENSHIELD, GREENBERG, UNDERWOOD, EDIE, 2-REGIME LINEAR, 3-REGIME LINEAR, AND BELL CURVE MODELS. DATA WERE COLLECTED ON THE EISENHOWER EXPRESSWAY DURING NORMAL TRAFFIC AND WEATHER CONDITIONS. AFTER FAILING TO ACHIEVE ANY CONCLUSIVE RESULTS FROM THE STATISTICAL TESTS, THE AUTHORS RECOMMENDED THE RELATIONSHIP ADVANCED BY EDIE ON INTUITIVE GROUNDS. /FHWA/

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What this paper is about

THE OBJECTIVE OF THIS STUDY WAS TO TEST AND EVALUATE SEVEN DIFFERENT SPEED-DENSITY MODELS: THE GREENSHIELD, GREENBERG, UNDERWOOD, EDIE, 2-REGIME LINEAR, 3-REGIME LINEAR, AND BELL CURVE MODELS. DATA WERE COLLECTED ON THE EISENHOWER EXPRESSWAY DURING NORMAL TRAFFIC AND WEATHER CONDITIONS. AFTER FAILING TO ACHIEVE ANY CONCLUSIVE RESULTS FROM THE STATISTICAL TESTS, THE AUTHORS RECOMMENDED THE RELATIONSHIP ADVANCED BY EDIE ON INTUITIVE GROUNDS. /FHWA/

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OpenAlex reports 297 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

THE OBJECTIVE OF THIS STUDY WAS TO TEST AND EVALUATE SEVEN DIFFERENT SPEED-DENSITY MODELS: THE GREENSHIELD, GREENBERG, UNDERWOOD, EDIE, 2-REGIME LINEAR, 3-REGIME LINEAR, AND BELL CURVE MODELS. DATA WERE COLLECTED ON THE EISENHOWER EXPRESSWAY DURING NORMAL TRAFFIC AND WEATHER CONDITIONS. AFTER FAILING TO ACHIEVE ANY CONCLUSIVE RESULTS FROM THE STATISTICAL TESTS, THE AUTHORS RECOMMENDED THE RELATIONSHIP ADVANCED BY EDIE ON INTUITIVE GROUNDS. /FHWA/

Key concepts: Statistical analysis, Statistics, Engineering, Statistical hypothesis testing, Mathematics, Forensic engineering

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