february 2007 commercial vehicle drivers hours of service module 1: overview
TRANSCRIPT
February 2007
Commercial Vehicle Drivers Hours of Service
Module 1: Overview
Commercial Vehicle Drivers Hours of Service
Module 1 - 2
What if there were no rules limiting how many hours a driver could drive a commercial vehicle?
What would happen to the commercial vehicle driver?
What affect would it have on highway safety?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 3
History and reasons for Hours of Service legislation
How the human body clock affects fatigue How to identify driver fatigue How to avoid sleep debt
What will I learn in this module?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 4
Rules that commercial vehicle drivers follow in Canada
Maximum allowable driving times and minimum required off-duty times
Until recently, rules were not based on sleep and fatigue research
Why do we need Hours of Service legislation?
Commercial Vehicle Drivers Hours of Service
Module 1 - 5
1989 - 1996 $6 million study Driving long hours, day after day, results in
serious fatigue caused by “sleep debt” Fatigue leads to commercial vehicle
collisions
Fatigue and Alertness Study
Commercial Vehicle Drivers Hours of Service
Module 1 - 6
Need adequate sleep to combat fatigue Need to change Hours of Service
regulations to allow opportunities for additional sleep
10 years of consultations to make changes to regulations
What is fatigue?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 7
Caused by work, exertion or stress for long periods of time
People contribute to their fatigue by simply being awake
People become tired and drowsy Increased chance of microsleep
What is fatigue?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 8
Body clock tells body processes when to have peaks & low points
Example:Midnight to dawn, clock tells body to lower
body temperature, slow heart rate, lower blood pressure
Body makes these changes whether we are asleep or awake!
How does the human body clock affect fatigue?
Commercial Vehicle Drivers Hours of Service
Module 1 - 9
Disrupting the clock can lead to a lack of sleep and increase in fatigue
Low points = increase in fatigue-related accidents
How does the human body clock affect fatigue?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 10
Decreased judgment Decreased decision-making ability Diminished memory, reaction time,
concentration Worsened mood
What are the symptoms of fatigue?
Commercial Vehicle Drivers Hours of Service
Module 1 - 11
Only way to combat fatigue is sleep Average person needs 6 - 8 hours of sleep
per day People who do not get sufficient daily
sleep build a “sleep debt” As sleep debt increases, people become
less alert and drowsier
How can I avoid sleep debt?
Commercial Vehicle Drivers Hours of Service
Module 1 - 12
Take 20 – 30 minute naps Sleep for a longer period of time Relax so the you have a deeper sleep
How can I avoid sleep debt?
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Commercial Vehicle Drivers Hours of Service
Module 1 - 13
January 1, 2007 Changes give commercial vehicle drivers
opportunity to obtain adequate sleep Changes are consistent with research on
fatigue, human body clock and sleep debt
Hours of Service Regulations
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