Adaptive Traffic Control Systems: Domestic and Foreign State of Practice (2010) / Chapter Skim
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Pages 43-46
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From page 43... ...
Subsequent sections also present factors that caused several ATCS shutdowns, problems that prevent further ATCS expansions, and the potential for future ATCS deployments. USER PERSPECTIVES Positive and Negative Surprises from Adaptive Traffic Control Systems Deployments The deployment of an ATCS is a challenging process for both ATCS users and the vendors and consultants who perform system installation and integration.
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From page 44... ...
and temporally (to be used 24 hours a day/7 days a week) : • Insufficient staff and funding to operate and maintain; • Poor communications between vendor and client; • Not cost-effective if volume fluctuations are insignificant, or where cycle lengths and splits are too constrained to meet operational objectives;
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Future Adaptive Traffic Control System Deployments Approximately 73% of the ATCS users interviewed would install the same system again. The remaining 27% of the ATCS users, who would not install the same ATCS, indicated various reasons for such a decision.
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From page 46... ...
observed as efficient operations and to adjust to within-day and day-to-day traffic fluctuations. Negatives were mostly related to difficulties in learning how to operate the system and hardware issues (mostly communications)
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