The safe operation of any motor vehicle requires drivers to be alert, in complete control at all times, able to concentrate on the task at hand and respond to changing traffic, road and weather conditions. Impairment, whether by alcohol, drugs or fatigue, significantly affects driving abilities and places drivers, passengers and other road users in harm's way.
Sources of Impairment
When most people think about impaired driving, they think of driving under the influence of alcohol. While alcohol is the most common form of impaired driving, there are other, less obvious types of impairment.
Illicit drugs can dramatically affect your judgment, perception and motor skills. This decrease in your overall driving skills greatly increases your chances of being in a collision.
Prescription and non-prescription drugs can also affect your driving ability. Drivers taking multiple medications should talk to their doctor and be aware of possible drug interactions that could affect their ability to drive.
Fatigue, or drowsy driving, impairs your ability to safely operate a vehicle. Fatigue can affect anyone at any time, however those most at risk of fatigue while driving are commercial drivers, people with medical conditions or undiagnosed sleep disorders, vacation and business travellers, shift workers and drivers between the ages of 16 and 24 years old.