Strategies for Work Zone Transportation Management Plans (2020) / Chapter Skim
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1 Periodic work zones are necessary to build, maintain, rehabilitate, enhance, and reconstruct this nation's roadway network. Over the course of 1 year, it was estimated that 26.5 percent of the National Highway System has at least 1 day with a work zone in place.
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2 Strategies for Work Zone Transportation Management Plans of their safety solutions and the value of their economic benefit. As a result, transportation agencies may not understand the application, its effectiveness, or the cost-efficiency of their TMP decisions.
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Introduction 3 1.5 Guidebook Contents and Organization Many work zone management strategies can be used to minimize traffic delays, improve mobility, maintain or improve motorist and worker safety, and complete roadwork promptly. The strategies presented and reviewed in this guidebook are grouped according to the FHWA TMP classification under the following three categories: 1.
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NOTE: Caltrans = California Department of Transportation; DOT = Department of Transportation; ITS = intelligent transportation system; PA = public awareness; TMA = truck-mounted attenuator; TMP = transportation management plans; TO = transportation operation; TTC = temporary traffic control. Figure 1.1.
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Introduction 5 In addition, Chapter 13 provides information on the typical work zone crash characteristics, as well as methods to estimate the crashes expected to occur during a particular work zone compared with when the work zone is not present or when a particular countermeasure is included. Examples illustrate how the methods can be applied to answer different what-if questions.
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6 Strategies for Work Zone Transportation Management Plans Cambridge Systematics, Inc. and Texas Transportation Institute.
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