United States Department of Transportation
i
Use Case: Smart Work Zone Benefit-Cost Analysis
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2022-07-11
[PDF-961.46 KB]
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Abstract:This document serves as a use case for conducting Benefit-Cost Analysis (BCA) for a hypothetical smart work zone project. Maintenance and construction activities are a necessary part of upgrading transportation infrastructure to meet today’s needs. To support these construction and maintenance activities, work zones are required and may involve lane closures and detours. Passing through work zones can present both safety and mobility challenges. Effective work zone management involves carefully balancing safety and mobility to ensure that the negative impacts on traffic flows are minimized and unnecessary congestion is avoided, but also to make sure that the safety of motorists and workers is not compromised. Specific deployments and applications of smart work zones vary by agency and project. For the purposes of this use case, it is assumed that an agency is investigating the deployment of a smart work zone that includes the following: queue warning and traveler information on portable dynamic message signs (DMS), portable Bluetooth detection to monitor traffic speed, portable cameras that can be attached to DMS, as well as software upgrades to implement the smart work zone. This use case assumes a 4-mile work zone corridor along a freeway with work performed during non-peak hours.
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