Heavy Vehicle Driver Workload Assessment: Task 5: Workload Assessment Protocol
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1996-10-01
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Alternative Title:Final Report Supplement --Task 5: Heavy Vehicle Driver Workload Assessment Protocol
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TRIS Online Accession Number:00736069
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OCLC Number:436878507
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Edition:Final Report; July 1991-September 1995
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NTL Classification:NTL-FREIGHT-Trucking Industry;NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS;NTL-PLANNING AND POLICY-Technology Transfer;NTL-SAFETY AND SECURITY-Human Factors;NTL-SAFETY AND SECURITY-Vehicle Design;
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Abstract:This report presents a description of a prescriptive workload assessment protocol for use in evaluating in-cab devices in heavy vehicles. The primary objective of this heavy vehicle driver workload assessment protocol is to identify the components and processes necessary to conduct an empirical appraisal of the potential of an in-cab device to distract drivers from the driving task. The methodological approaches and experimental design strategies that may be used to conduct a workload assessment are presented in detail. Included in this protocol are sets of workload measurements that can demonstrate to what extent in-cab devices intrude onto the primary driving task. The scientific and theoretical bases for how these various workload measures relate to safe vehicle operation are discussed. The sets of workload measures comprise visual allocation measures; driver steering, pedal, and manual activity measures; driver-vehicle performance measures; and driver subjective assessments. Due to its large size, this document has been segmented into multiple files. All files separate from this main document file are accessible from links (blue type) in the table of contents or the body of the document.
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