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FIGHTING DRIVER FATIGUE
fatigue is a decisive factor in many commercial vehicle accidents. In a study by
the Federal Highway Administration's Bureau of Motor Carrier Safety of more than
200 accidents, it was concluded that driver performance deteriorates, driver
alertness diminishes and accident probability increases as driving time
of this study indicated that the frequency of accidents increased
disproportionately after about seven hours of driving.
fatigue may affect the operator in many ways. If may cause drowsiness which, at
any moment, may turn into total unconsciousness. Fatigue may also produce a
mental state that will deceive drivers into believing that they are capable of
driving safely. Fatigue also hampers the driver's ability to correctly judge
distances, speed or driving conditions.
times, fatigue may also cause drivers to imagine conditions that do not exist. A
reaction to an imaginary condition has caused many serious accidents.
should be aware of the signs of fatigue so you can take measures to counteract
them. While you are still alert you usually sit relatively quiet in your seat,
but as you begin to tire, you may become restless, squirm in your seat, stretch,
or rub your eyes and you may experience short lapses of attention—enough time
to lose control of his vehicle and cause a serious accident.
drivers tire, they pay less and less attention to the instrument panel and to
the rear and side view mirrors. The tired driver will stare fixedly ahead,
actually appearing to be in a trance. This is the point at which driving
patterns change. There is less steering, irregular or erratic speed changes,
weaving back and forth, and finally, crossing the center line or drifting off
the road entirely. This is the time when a fatigued driver is a hazard of his or
her own safety, as well as the safety of everyone else on the road.
the precautions the driver can take to combat fatigue are:
You should not operate a vehicle beyond the Bureau of Motor Carrier
Safety 10‑hour limitation on driving time.
Frequent rest stops should be made. Any activity that substitutes a
different physical act for the monotony of driving helps to refresh the driver.
If it is available, a drink of coffee or water can also sharpen a
driver's senses. Take no alcohol or drugs.
rely on amphetamines to keep you awake. These drugs may increase alertness and
efficiency for a short period, but later they may be followed by headaches,
dizziness, agitation or irritability, decreased power of concentration and
reported effect of amphetamines is that the user sees mirages or experiences
hallucinations. A driver in such a mental state may suddenly swerve into
on‑coming traffic or off the road to avoid hitting an imaginary object.
rely on a means of false security. Fatigue sometimes comes on very quickly.
Drivers should get off the road before they fall asleep—instead of afterwards.
A driver who is dog‑tired should pull well off the road and take an
extended rest break.
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