Work Zone Speed Management (2015) / Chapter Skim
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Pages 49-53
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From page 49... ...
49 chapter five OPERATIONAL SPEED MANAGEMENT TECHNIQUES INTRODUCTION Operational speed management techniques utilize strategically placed speed control vehicles (operated by or on behalf of the highway agency) to limit work zone traffic speeds.
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50 as freeway paving operations, where temporary concrete barriers cannot be provided, and yet workers must work within 5 to 10 ft of a live lane of traffic. The Ontario Traffic Manual devotes several pages to the topic of pace vehicles and stipulates that either police or pace vehicles must be used to support an 80 km/h (50 mph)
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From page 51... ...
51 work site, allow the convoy to resume normal speed gradually, and exit the roadway downstream. Advance signage and other details of this operation are critical to its safety, and have been documented in some detail by Harmelink, America Traffic Safety Services Association (ATSSA)
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From page 52... ...
52 FIGURE 33 Rolling roadblock diagram from British Traffic Signs Manual (DfT 2013b)
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From page 53... ...
53 work zone speeds is generally considered to be a supplemental (rather than a primary) method of encouraging drivers to slow down.
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