Personal Factors That Affect Driving
Personal Factors Include: Alcohol, Drugs, and Fatigue
Good Driving Habits Include: S earch E valuate E xecute
Search Categories Motor Vehicles Non-motorized Users Road Conditions Traffic Control Devices
Evaluate Identify Predict Decide
Execute the Decision Speed adjustment Lane position adjustment Lane change
Alcohol ~50% of all traffic deaths due to alcohol related crash 2/5 involved in alcohol related crash in lifetime
Why? Who drinks? Why drink? Why drink and drive? Why does it matter? (What is the problem with drinking and driving?)
The problem Risk: the chance of damage, injury, or loss. Impairs physical ability to drive Impairs judgment and reasoning
Why/How does alcohol impair driving? BAC Coordination Ability to scan and see clearly Ability to judge right from wrong Overall ability to make reduced risk decisions
Maryland Intoxication Laws Driving While Impaired BAC of 0.07 Driving Under the Influence (DUI) BAC of 0.08
What happens if I get caught? License suspension License revocation Fines Jail time
Drugs Marijuana Prescriptions Over the counter medications
Number One? Marijuana: other than alcohol, it is the number one drug related to vehicular crashes. Same problems as alcohol, but sometimes worse. Effects have been shown to last up to 24 hours after exposure.
Other Drugs and Driving Prescriptions and OTC Medications: May cause drowsiness (e.g. NyQuil) Synergistic Effect: mixing two or more drugs causes the effects of both to increase (including alcohol)
Fatigue Physical Emotional/Mental Illness-induced
Causes and Effects of Fatigue? Physical Mental/Emotional Illness-induced Overall effect on driving (Highway Hypnosis)
What’s being done to combat driving fatigue? Rumble strips HOV (High Occupancy Vehicle) lane
Conclusion There are many factors that affect driving They are mostly negative However, something can be done…
What can I do? Don’t drink and drive Read medication labels to know whether or not it will make you drowsy Sleep before driving, change drivers at a regular basis, power nap, HVAC