An official website of the United States government.
Here's how you know
The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser's address (or "location") bar.
This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.
The Problem: As drunk driving has declined, drugged driving is increasing. In 2005, 28% of fatally-injured drivers with known test results were positive for the presence of drugs; by 2009 that number rose to 33%. In 2015, 43% of fatally-injured drivers with known test results were found to be positive for drugs. The 2013-2014 National […]
Advanced driver assistance systems have the potential to improve safety, but as they become increasingly sophisticated there is a growing risk for drivers to misunderstand their functionalities and limitations. Level 2 driving automation features, such as adaptive cruise control (ACC) combined with lane centering, primarily communicate their operating statuses to the driver through the instrument […]
Automobile manufacturers are developing increasingly sophisticated driving automation systems. Currently, the highest level of automation that is available on the market is SAE Level 2, which provides sustained assistance for both lateral and longitudinal vehicle control functions. Level 2 systems exist under a variety of brand names. The brand name is one piece of information […]
In 2017, 37,133 Americans were killed in crashes involving motor vehicles. Motor vehicle crashes are a leading cause of death for Americans overall, and the number one cause of death for teenagers. Millions of people are injured in crashes annually, and motor vehicle crashes are estimated to have cost some $242 billion in 2010 in […]
Every day I drive to work on one of the busiest freeways in the country. That freeway has a posted speed limit of 55-65 miles per hour. I am amazed how many drivers disregard the posted speed limit and use the freeway as their opportunity to drive like they are in the Indy 500. Many […]
The summer sun is in full effect, and temperatures are continuing to soar across the country. While the sun is perfect for a day at the beach, hot days can also have a sinister side – especially when it involves a child who has been left unattended or gotten trapped inside a vehicle. Tragically in […]
New Findings Suggest How to Increase Acceptance WASHINGTON, D.C. – As part of the National Cooperative Research and Evaluation Program (NCREP), the National Highway Traffic Safety Administration (NHTSA) has released a report examining why motorcycle riders choose to wear – or not wear – high-visibility gear and what can be done to encourage greater use […]
The Alabama Department of Transportation is expanding its traffic monitoring system and making big upgrades its app, all to make sure your drive to work goes even smoother. ALDOT opened its Traffic Management Center in Montgomery in October 2016. At that time it was in operation for 12 hours at a time, five days a […]
The electric bicycle (e-bike) is a recently introduced mode of travel that is rapidly gaining in popularity throughout the United States. The e-bike can offer a cheaper alternative to car travel and can provide users with an adequate level of physical activity intensity necessary to enhance health. Riding an e-bike is rewarding and fun, is […]
The promise of transportation automation seems to become more and more fulfilled each day. Today’s automobiles that keep themselves in their lane and maintain safe speeds and distances—even in stop-and-go traffic—have recently been joined by successful tests of flying delivery drones. However, increasing automation levels eventually requires a vehicle to be able not only to […]
