Consider using real time traffic control system to overcome mobility and safety obstacles in a work zone.
An Illinois Department of Transportation experience using ITS in work zones.
- Involve agencies responsible for 911 and other emergency response operations during system planning and design. This effort can help facilitate a coordinated response to incidents during the roadwork.
- Use a proactive approach to building public awareness of the project. Successful techniques include holding press conferences, issuing news releases, and keeping local media up to date.
- Assess when it is appropriate to use a work zone ITS application and what type of system best meets the site-specific needs.
- Ensure that software/systems engineers and transportation engineers use common terminology during the requirements definition process.
- Include the vendor's engineering staff, in addition to vendor marketing staff, in early discussions of vendor capabilities.
- Allow significant time for system calibration during initial implementation of queue-length detection systems. The calibration process will likely take longer than the best estimate of the time required. The implementation of this system required system calibration that was complicated by the absence of significant traffic congestion. Consequently, the initial deployment phase lasted longer than anticipated.
- Expect the need to recalibrate detection systems during the course of the project. IDOT required that the system be deployed on I-55 and tested two weeks prior to initiation of reconstruction activities. The only difficulty encountered was that there was no significant congestion prior to the start of the reconstruction project, which prevented complete calibration of the traffic detection system. Consequently, recalibration of the system was required after the work zone was in place.
Author: Scriba, Tracy, and David Register
Published By: Federal Highway Administration, U.S. DOT
Source Date: October 2004
EDL Number: 13984
Other Reference Number: Report No. FHWA-HOP-04-018URL: http://ntl.bts.gov/lib//jpodocs/repts_te/13984.htm
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