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From page 1...
... Summary 3   crashes by 15% to 53%. Experimental studies of work-zone-intrusion alarm systems have shown mixed results, and limitations of some of these systems have been documented.
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... 4 Use of Smart Work Zone Technologies for Improving Work Zone Safety • Development of additional technologies for marking work zone locations, such as simple plug-and-play devices that can be attached to existing equipment. • Creation of a guidance document for the development and use of performance measures for smart work zone technologies.
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... 5   Background Highway work zones have the potential to create significant operational and safety impacts. Mitigating these impacts continues to be a challenge for departments of transportation (DOTs)
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... 6 Use of Smart Work Zone Technologies for Improving Work Zone Safety • Data transmission issues concerning the availability of cellular service and bandwidth for the deployment of smart work zone technologies. Definitions For the purposes of this synthesis, the following definitions are used: • Department of transportation: An agency from the 50 states or the District of Columbia that is responsible for implementing smart work zone technologies.

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