Implementation of Automated Travel-Time Information and Public Reaction on Urban Highway Rehabilitation
Publication: Journal of Transportation Engineering
Volume 132, Issue 10
Abstract
Transportation agencies are becoming more aware of the seriousness of traffic delay caused by urban freeway rehabilitation and are experimenting with the use of intelligent transportation systems to control traffic demand in construction work zones (CWZ). This case study presents the process, evaluation, and public reaction to the implementation of an automated work zone information system (AWIS), as well as an Internet public outreach program, to mitigate traffic delays during the reconstruction of a section of Interstate-15 (I-15) near Devore in Southern California. The project consisted of a stretch of high traffic volume concrete pavement that was rebuilt during two closures (one for each direction) using continuous construction operations. The approach produced up to 18% reduction in peak-hour traffic demand through the CWZ, which reduced maximum delays from producing a $3.6 million benefit in potential road user cost savings. The intelligent systems also contributed to reversing initial public reluctance toward the accelerated rehabilitation approach. The study will help transportation agencies efficiently configure and operate AWIS in combination with public outreach for highway rehabilitation under high traffic volume.
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Acknowledgments
This study was funded from the I-15 Devore reconstruction project budget by the California Department of Transportation. The authors acknowledge the support from the I-15 Devore project team members. Special thanks are extended to David Thomas, a coordinator and senior transportation engineer, and the staff of the Pavement Research Center at the University of California, Berkeley and Davis campuses. The authors also acknowledge the information and coordination support by David Berkman, ADDCO Inc. The research team received the Caltrans 2005 Excellence in Transportation Awards for Innovation and Public Awareness.
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 132 • Issue 10 • October 2006
Pages: 808 - 816
Copyright
© 2006 ASCE.
History
Received: Nov 4, 2005
Accepted: Jan 26, 2006
Published online: Oct 1, 2006
Published in print: Oct 2006
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