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.
In 2011, for the third year in a row, motor vehicle traffic crashes were not among the top 10 causes of death in the United States. Motor vehicle crashes were the 12th leading cause of death during 2011 as compared to their rank as the 11th leading cause of death in 2010.