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.

News Archive

General Content

Reimbursable Toolset System (RTS)

The Federal Aviation Administration’s (FAA) Reimbursable Toolset System (RTS) supports the management and execution of the FAA Reimbursable Agreement (RA) lifecycle from planning and forecasting...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.61

Subpart E - Specimen Collections

§ 40.61 What are the preliminary steps in the collection process?

As the collector, you must take the following steps before actually beginning...

Federal Regulation

DOT Rule 49 CFR Part 40 Section 40.91

Subpart F - Drug Testing Laboratories

§ 40.91 What are the cutoff concentrations for oral fluid drug tests?

As a laboratory, you must use the cutoff concentrations displayed in...

Data Set

DOT Onboard Demographics, June FY 2023

This spreadsheet provides onboard statistics for June, FY 2023. Demographics are particularly useful to managers in the workforce planning process.  This data is...

General Content

Office of Regulation and Legislation

The Office of Regulation provides expert legal guidance on administrative law, including rulemaking issues affecting the Department and arising from any mode of transportation within the...