|
Title: WORK ZONE OPTIMIZATION FOR TWO-LANE HIGHWAY MAINTENANCE PROJECTS
Accession Number: 00983275
Record Type: Component
Record URL: Availability: Transportation Research Board Business Office 500 Fifth Street, NW Find a library where document is available Abstract: On two-lane, two-way highways, pavement resurfacing is usually done by closing one lane at a time. Then, vehicles travel in the remaining lane along the work zone, alternating directions within each control cycle. Such a work zone can be analyzed as a one-way traffic-control system in which queuing and delay processes are analogous to those at a two-phase signalized intersection. Efficient scheduling and traffic control through work zones may significantly reduce the total cost. A model is presented for optimizing work plans, including zone lengths, work durations, starting times, pausing times (if any), and control-cycle times, for work zones on two-lane highways. This is done by minimizing total cost, including agency cost (maintenance cost and idling cost) and user cost (user delay cost and accident cost), while taking into account traffic-demand variations over time. Two optimization methods, Powell's and simulated annealing, are adapted for this problem and compared. In numerical tests, the simulated annealing algorithm yields better solutions using less computer time than Powell's method.
Supplemental Notes: This paper appears in Transportation Research Record No. 1877, Maintenance Management and Services.
Monograph Title: Monograph Accession #: 00983264
Language: English
Corporate Authors: Transportation Research Board 500 Fifth Street, NW Authors: Chen, C-HSchonfeld, PPagination: p. 95-105
Publication Date: 2004
Serial: ISBN: 0309094739
Features: Figures
(8)
; References
(10)
; Tables
(7)
TRT Terms: Uncontrolled Terms: Subject Areas: Finance; Highways; Maintenance and Preservation; Operations and Traffic Management; I60: Maintenance; I73: Traffic Control
Files: TRIS, TRB, ATRI
Created Date: Dec 10 2004 12:00AM
More Articles from this Serial Issue:
|