Heavy vehicle driver workload assessment : executive summary

73606436907347Final Report; July 1991-September 1995Goodman, Michael J.9418-9, 9422-7PDFResearch Paperhttp://ntl.bts.gov/lib/jpodocs/repts_te/1706.pdfDOT HS-808 466DTNH22-91-C-O7003Intelligent transportation systemsHeavy duty vehiclesDriver support systemsAdvanced driver information systemsWorkloadHuman factors engineeringResearch projectsTechnology assessmentUnited States. Joint Program Office for Intelligent Transportation SystemsTijerina, LouisBattelle Memorial InstituteUnited States. National Highway Traffic Safety AdministrationNTL-FREIGHT-Trucking IndustryNTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMSNTL-PLANNING AND POLICY-Technology TransferNTL-SAFETY AND SECURITY-Human FactorsNTL-SAFETY AND SECURITY-Vehicle DesignIntelligent Transportation Systems Joint Program OfficeThis report summarizes a program of research to develop methods, data, and guidelines to conduct heavy vehicle driver-oriented workload assessments of new, high-technology, in-cab devices. Many such devices are being developed and implemented in heavy trucks and cars. Examples include navigation systems, text message display systems, and voice communications systems, to name a few. The objective of this research was the development of methods to assess the degree to which in-cab device use competes with the primary task of safely controlling the vehicle at all times. The following seven tasks, conducted throughout this program, are summarized: reviewing task analysis data and protocols literature; defining standard heavy vehicle configuration and tasks; collecting original task analysis data; reviewing workload measures and related research; developing a workload measurement protocol document; collecting baseline data of workload measures; and evaluating two high-technology systems using the developed protocols. Presented for each task is a summary of the objectives, approach, and key results highlights. From this research, tentative heavy vehicle workload assessment measures and methods were recommended and a protocol document was prepared