Section 7308 of the Fixing America’s Surface Transportation Act (FAST Act; P. L. 114-94; December 4, 2015) requires the U.S. Department of Transportation (DOT) to assemble and collect data on rail tank cars transporting Class 3 flammable liquids.  The objective of this legislation is to track the progress in upgrading the rail tank car fleet to new safety requirements and to provide an annual status report to Congress.

• In September 2025, the Bureau of Transportation Statistics sent its ninth report to Congress, Progress Towards Safer Rail Tank Cars Transporting Flammable Liquids: 2025 Report

Reports

• Progress Towards Safer Rail Tank Cars Transporting Flammable Liquids: 2025 Report
• Progress Towards Safer Rail Tank Cars Transporting Flammable Liquids: 2024 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2023 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2022 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2021 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2020 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2019 Report
• Fleet Composition of Rail Tank Cars Carrying Flammable Liquids: 2018 Report
• Fleet Composition of Rail Tank Cars that Transport Flammable Liquids: 2013-2016