USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
21

Data Analysis

Agencies can use state-of-the-practice safety analysis tools—such as the Highway Safety Manual—to help identify sites where the frequency of crashes could be reduced by implementing a safety countermeasure. These tools can help agencies get the biggest bang for their dollar. Learn more about the...