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.

United States Department of Transportation United States Department of Transportation

General

Subscribe to General

The U.S. DOT Volpe Center's 2018 Reports

The U.S. DOT Volpe National Transportation Systems Center published nearly 60 reports and conference papers in 2018 spanning a breadth of transportation topics that advance U.S. DOT’s priorities: safety, infrastructure, innovation, and accountability. Preview and download copies of these transportation resources.

Vessel Ballasting Options

Ballast water is added to or discharged from cargo vessels to maintain stability. Learn how ballast discharge works and how the Volpe Center assisted in developing the U.S. Coast Guard’s Final Rule on discharge standards.

Advancing Data-Driven Decision Making in Transportation

Novel data analysis techniques are transforming mobility in the U.S. and around the world. Learn how the U.S. DOT Volpe Center is applying its unique capabilities across the data spectrum to inform decision making and improve the safety and efficiency of multimodal transportation systems.