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 2021, Congress passed the Infrastructure Investment and Jobs Act, also known as the Bipartisan Infrastructure Law (BIL), which reauthorized surface transportation programs. This legislation allocated approximately $350 billion over a 5-year period to Federal highway programs with a focus on repairing roadways and bridges, with the opportunity to create jobs, boost the economy, and […]
The United States faces a road safety crisis: the fatal crash rate per mile traveled has been climbing for the past decade, and crashes involving vulnerable road users—pedestrians, bicyclists, and others who share the roads with motor vehicles—have grown the fastest. Furthermore, motor vehicle death rates in the United States are three to four times […]
This Case Study highlights how State and local transportation agencies and professionals are implementing strategies to address the road safety needs of people experiencing homelessness—a population that experiences significant disparities in roadway fatalities—as part of their work to reach the goal of zero deaths. The Case Study shares information on seven promising practices. Each promising […]
There are over 590,000 bridges dispersed across the roadway network that stretches across the United States alone. Each bridge with a length of 20 feet or greater must be inspected at least once every 24 months, according to the Federal Highway Act (FHWA) of 1968. This research developed an artificial intelligence (AI)-based framework for bridge […]
The primary purpose of advanced driver assistance systems (ADAS) is to provide increased safety to drivers and other road users. As systems such as Adaptive Cruise Control (ACC) and Lane Keeping Assistance (LKA) are becoming widely available, it is important to recognize road users’ understanding and knowledge (i.e., mental models) of these technologies. Studies have […]