The Impact of Local/Short Haul Operations on Driver Fatigue

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dc.contributor.authorHanowski, Richard J.en
dc.contributor.committeechairDingus, Thomas A.en
dc.contributor.committeememberBarfield, Woodrow S.en
dc.contributor.committeememberKnipling, Ronald R.en
dc.contributor.committeememberWierwille, Walter W.en
dc.contributor.committeememberKleiner, Brian M.en
dc.contributor.departmentIndustrial and Systems Engineeringen
dc.date.accessioned2014-03-14T20:14:21Zen
dc.date.adate2000-07-27en
dc.date.available2014-03-14T20:14:21Zen
dc.date.issued2000-05-23en
dc.date.rdate2001-07-27en
dc.date.sdate2000-07-27en
dc.description.abstractMassie, Blower, and Campbell (1997) indicate that trucks that operate less than 50 miles from the vehicle's home base comprise 58% of the trucking industry. However, despite being the largest segment, research involving local/short haul (L/SH) operations has been scant. In fact, little is known about the general safety issues in L/SH operations. As a precursor to the present research, Hanowski, Wierwille, Gellatly, Early, and Dingus (1998) conducted a series of focus groups in which L/SH drivers provided their perspective on safety issues, including fatigue, in their industry. As a follow-up to the Hanowski et al. work, the effort presented here consisted of an on-road field study where L/SH trucks were instrumented with data collection equipment. Two L/SH trucking companies and 42 L/SH drivers participated in this research. To the author's knowledge, this is the first in-situ data collection effort of its kind with L/SH drivers. The analyses focused on determining if fatigue is an issue in L/SH operations. Of primary interest were critical incidents (near-crashes) where drivers were judged to be at fault. The results of the analyses indicated that fatigue was present immediately prior to driver involvement in at-fault critical incidents. Though it is difficult to determine why fatigue was present, the results seem to indicate that much of the fatigue that the drivers' experienced was brought with them to the job, rather than being caused by the job. There are four basic outputs of the Phase II research: (1) a description of the L/SH drivers who participated, (2) a description of critical incidents, (3) a determination if fatigue is an issue in L/SH trucking, and (4) the validation of the fatigue factors cited in Hanowski et al. (1998) using a proposed fatigue model. These four outputs culminate in a set of pragmatic guidelines to address fatigue and other safety issues in L/SH operations. Five guidelines are proposed that are directed at: (1) driver education with regard to on-the-job drowsiness/inattention, (2) driver education with regard to sleep hygiene, (3) driver training, particularly for novice L/SH truck drivers, (4) driver screening, and (5) public monitoring of L/SH driver performance.en
dc.description.degreePh. D.en
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07272000-08470013en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07272000-08470013/en
dc.identifier.urihttp://hdl.handle.net/10919/28416en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartHanowski_ETD.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectHeavy vehiclesen
dc.subjectDrowsinessen
dc.subjectCommercial Vehicle Operationsen
dc.subjectInattentionen
dc.titleThe Impact of Local/Short Haul Operations on Driver Fatigueen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineIndustrial and Systems Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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