JavaScript must be enabled in order for you to use DMVNow in standard view. However, it seems JavaScript is either disabled or not supported by your browser. To use standard view, enable JavaScript by changing your browser options, then try again. To get the best experience, you'll need to upgrade to a modern browser.
Skip to Content
Agencies | Governor
Search Virginia.Gov

Impaired Driving

Impaired driving is preventable. Drivers can choose to drive sober, get plenty of rest and pay attention. Not only do impaired drivers risk killing and injuring themselves and their passengers, they put everyone on the road in danger. The best defense against impaired drivers is wearing a seat belt.

The Four Ds

Impairment is a diminished ability to drive, which can be caused by:

The four “Ds” can be deadly, with statistics showing a third of deaths being attributable to alcohol, and distracted driving fatalities increasing annually. While researchers are studying the best ways to get identifiable and conclusive data on drugged and drowsy driving, both are responsible for thousands of lives lost each year on our nation’s roads.