DOT Regulation for Safety Sensitive Positions

DOT regulation 49 CFR Part 40

View documents and employer information

The Department of Transportation (DOT) regulation – 49 CFR Part 40 – defines the Substance Abuse Professional (SAP) as a person who evaluates employees who have violated a DOT drug and alcohol regulation.

When a person in a safety sensitive position is found to have violated a DOT alcohol or drug related regulation, a SAP evaluation is required.

Drug and Alcohol Clearinghouse, Federal Motor Carrier Safety Administration

Who is covered by this regulation?

There are many employees bound by the 49 CFR Part 40 DOT Regulation. They include*:

  • School bus drivers
  • Airplane mechanics
  • Truck Drivers
  • CDL holders
  • Flight Attendants
  • Train Engineers

* Please note this is just a sampling of the many types of employees covered by this regulation.

Important Documents

Download PDF Drug and Alcohol Clearinghouse | View PDF
For CDL drivers, employers, and C/TPAs (January 2020)

Download PDF What Employers Need To Know About Drug and Alcohol Testing | View PDF
DOT Office of Drug and Alcohol Policy and Compliance Notice

Download PDFOffice of Drug and Alcohol Policy and Compliance Fact Sheet | View PDF
Workplace Testing Program / ODAPC’s role at DOT

Learn More

The SAP Process Simplified

Frequently Asked Questions

Meet our SAP and Director: Eileen Dewey