Optimizing work zones for two-lane highway maintenance projects

Document Type

Article

Publication Date

3-1-2002

Abstract

Highway maintenance is very expensive in terms of not only costs to the responsible agencies but also disruptive delays to users. Construction and maintenance activities on two-lane two-way highways often require the closure of one lane. During certain periods of a day, the user delay associated with lane closure may be quite intolerable to motorists. A numerical method is developed to optimize work-zone scheduling and traffic control on two-lane two-way highways where one lane at a time is closed. The objective is to minimize the total cost, including maintenance, labor/equipment idle, and user-delay costs, considering traffic flows varying over time. The optimized variables (e.g., work-zone lengths and cycle times) and the sensitivity results generated from a numerical example are presented in this study.

Identifier

0036500998 (Scopus)

Publication Title

Journal of Transportation Engineering

External Full Text Location

https://doi.org/10.1061/(ASCE)0733-947X(2002)128:2(145)

ISSN

0733947X

First Page

145

Last Page

155

Issue

2

Volume

128

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