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Edition:Final Report December 2018-April 2021
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Abstract:Work Zone Intrusion Alert (WZIA) technologies are emerging technologies that use sensors and alarms to detect and alert highway workers of vehicles intruding into a work zone perimeter. WZIA technologies are still evolving and there is no existing set of best practices for DOTs interested in implementing them. This project aimed to identify and evaluate existing WZIA technologies to provide recommendations on their implementation. To achieve this, recommendations on suitable use cases for three selected WZIA technologies were provided based on multicriteria analysis consisting of capital cost, performance accuracy, safety aspects, easiness of operation, and life cycle cost. Findings suggest that Intellicone can be highly beneficial if it is deployed on construction work zones on major highways, AWARE Sentry for flaggers is highly effective when used for flagging operation by flaggers, and Worker Alert System (WAS) is easy to deploy which makes it ideal for use in short-term work zones that are not too close to the traffic.
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