fact sheets

arrow Cardiovascular Disease Any situation that results in a loss of consciousness or causes dizziness or similar problems can affect driver safety.

arrow Cognitive Conditions Distraction or disorientation while driving. Delay in timely response to changes in traffic conditions, hazards, and emergencies. Delay in timely response to changes in traffic conditions, traffic hazards, and emergencies.

arrow Dementia The determining factor in withdrawing driving privileges is driving ability and the amount and type of driving exposure.

arrow Diabetes The average driver with diabetes has a statistically significant (19%) increase in risk for a motor vehicle collision compared to people without diabetes.

arrow Functional Conditions Momentary loss of control of the vehicle. Inability to safely control the vehicle's lane position and turning motion. Delay in responding to changing traffic control devices or conditions.

arrow Physical Limitations Pain and decreases in motor strength or physical functioning associated with any physical limitation can affect driver safety.

arrow Seizures The number of fatal driver crashes related to seizures is small. Some seizure types such as simple partial seizures that do not interfere with consciousness or motor control and seizures that are unlikely to occur while driving are unlikely to have an impact on driver safety.

arrow Sleep Disorders Evidence indicates OSA increases crash risk and CPAP is the only treatment demonstrated to reduce crash risk.

arrow Visual Impairment Drivers with the impairment are more likely to make errors in identifying signs at a distance. Other aspects of the roadway environment such as lane markings may also be difficult to see.