Tractor Trailer Truck Driver Fatigue

>causing accidents?
The NTSB (National Transportation Safety Board)
Toll Free: 866-761-1385estimates that truck driver fatigue (lack of sleep,
How current an issue is tractor trailer truck driveroverwork) may be a factor in over a third of all
fatigue?large (semi, 18 wheeler) truck accidents. Further,
Truck driver fatigue is a very current issue andthe NTSB found that truck driver fatigue was the
has been the subject of recent regulatorymost likley cause in over 30% of crashes that
activity. Truck driver fatigue is the subject ofwere fatal to the fatigued truck driver.
new regulations issued by the USDOT (U.S.How common is it for a truck driver to fall asleep
Department of Transportation) through theat the wheel?
FMCSA branch, which handles motor carrierIn the Journal of Public Health Policy, in 1992, a
(trucking) issues . Pursuant to these rules, areport showed that 1 in 5 truck drivers had been
tractor trailer truck driver may only drive 11so fatigued that they had fallen asleep at the
hours after 10 consecutive hours off. In addition,wheel.
in order to prevent driver fatiugue, a tractorWhat is truck driver fatigue?
trailer truck driver may not drive more than 60Fatigue is a broad term and includes being
hours in any seven day period. If a driver takes"sleepy", "tired" or "exhausted". This applies not
2.5 days off, he can clean his consecutive hoursonly to the performance of physical activity, but
slate and start at 0 again.to mental activity as well. Thus, the decision
Why not require even stricter time limits tomaking capabilities of a truck driver can be
prevent driver fatigue?impared along with coordination. Fatigue can
Another factor in preventing accidents is driverseverely impair judgment. In addition, the more
experience. If stricter guidelines were put in placetired you become, the less likely you will be to
immediately, there would be an insufficientrecognize that you are tired.
number of experienced drivers. Thus, whileWhat are the warning sigs of truck driver
decreasing the number of accidents caused byfatigue?yawninglack of concentrationred
tractor trailer truck driver fatigue, we would seeeyesanxiousnessrestlessnessdrowsinessimpaired
an offset and even increase in total accidents duereaction timeattention deficitirritabilitylarge steering
to those accidents caused by truck drivercorrectionsmissing road signslane drift
inexperience.What are the high risk times for truck driver
Are all hours logged, or just driving hours?fatigue-related fatal crashes?
The Truckload Carriers Association has statedStudies show that fatal fatigue-related accidents
that drivers "understate their non-driving hours intend to occur between 10pm-6am (during normal
their log books" and that to improve sales,human sleep hours), and 1pm-3pm (after a heavy
companies expect their drivers to "wait, unload,lunch). These times of the day coincide with dips
and load at the shipper's warehouses at no costin the body's circadian rhythms, and with drops in
to the shipper" and only then, begin logging timeblood sugar, which are part of the human
for their 11 hours. This may increase the actualmakeup.
work hours by 50%, thus significantly increasesWill these new regualtions cut down on fatal
the risk of truck driver fatigue.crashes due to truck driver fatigue?
How common is tractor trailer driver fatiuge in