NDLI: A Comparative Methodology for Estimating the Capacity of a Freeway Section

Content Provider	IEEE Xplore Digital Library
Author	Ozbay, K. Ozguven, E.E.
Copyright Year	2007
Description	Author affiliation: Rutgers Univ, Piscataway (Ozbay, K.)
Abstract	The random characteristics of the traffic flow make it essential to have a random component and therefore add a stochastic meaning to the deterministic parameters. This paper aims to improve the conventional deterministic approach to the freeway capacity by estimating parameters of the various probability distribution functions that are likely to represent the probabilistic nature of freeway traffic capacity. Firstly, Maximum Likelihood Estimation method is applied to estimate the capacity distribution function. Then, confidence intervals for the capacity distribution function are calculated using Bayesian statistics techniques that can address the difficult problem of censored data. Finally, a comparative analysis has been conducted between the estimations of deterministic and probabilistic models to come up with a conclusion regarding spatial and temporal characteristics of freeway capacity. The analysis results indicate that including stochasticity in the model estimation results in better representation of observed data and thus improve understanding of real-life situations.
Starting Page	1034
Ending Page	1039
File Size	477244
Page Count	6
File Format	PDF
ISBN	9781424413959
DOI	10.1109/ITSC.2007.4357728
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Traffic control Telecommunication traffic Stochastic processes Capacity planning Maximum likelihood estimation Statistical distributions Road transportation Weaving Robustness Intelligent transportation systems
Content Type	Text
Resource Type	Article

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