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Alcohol & Drugs (Motor Carriers)
National Summary

This topic covers alcohol and drug testing regulations for employees in the transportation industry.

The Omnibus Transportation Employee Testing Act of 1991 requires that all employees in safety-sensitive transportation occupations, such as drivers of commercial motor vehicles, be tested for drugs and alcohol. The rules and procedures for conducting these tests are published by the Department of Transportation (DOT). The federal regulations on testing for alcohol and controlled substances are in 49 CFR 40 and 49 CFR 382. The tests consist of urine testing for controlled substances and breath testing for alcohol.

For related resources and training materials, refer to the following topics:

Applies to News & White Papers
TypeTitleDateState
Proposed Rules 19 CFR 382 - Commercial Driver's License Drug and Alcohol Clearinghouse 04/22/2014National
Proposed Rules 49 CFR 382 - Commercial Driver's License Drug and Alcohol Clearinghouse 03/06/2014National
Final Rules 49 CFR 382, 383, and 384 - Extension of Compliance Date for States' Query of the Drug and Alcohol Clearinghouse 12/13/2019National
Final Rules 49 CFR 40 - Procedures for Transportation Workplace Drug and Alcohol Testing Programs 11/13/2017National
Final Rules 49 CFR Part 383 - Controlled Substances and Alcohol Testing 10/29/2021National
Regulatory Analysis Alcohol & Drugs (Motor Carriers) Analysis  National
Toolbox Talks Alcohol Testing Rules for Commercial Drivers  National
Questions & Answers As a municipality, are we exempt from drug and alcohol violations to the CDL Drug and Alcohol Clearinghouse? 01/03/2020National
Guidance Documents Best Practices for DOT Random Drug and Alcohol Testing  National
Quizzes DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know  National
Handouts DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know  National
Speaker's Notes DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know  National
Trainer's Guides DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know  National
Audiovisual Presentations DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know  National
Training Exercises DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know (Exercise 1)  National
Training Exercises DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know (Exercise 2)  National
PowerPoints DOT Alcohol and Drug Testing Rules: What Supervisors Need to Know (PPT)  National
7 Minute Safety Trainer DOT Alcohol Testing Rules (Outline)  National
Handouts DOT Alcohol Testing Rules [7-Minute Safety Trainer]  National
Quizzes DOT Alcohol Testing Rules [7-Minute Safety Trainer]  National
Handouts DOT Alcohol Testing Rules [7-Minute Safety Trainer] - Spanish  National
Quizzes DOT Alcohol Testing Rules [7-Minute Safety Trainer] - Spanish  National
Policies DOT Drug and Alcohol Testing  National
7 Minute Safety Trainer DOT Drug Testing Rules (Outline)  National
Handouts DOT Drug Testing Rules [7-Minute Safety Trainer]  National
Quizzes DOT Drug Testing Rules [7-Minute Safety Trainer]  National
Handouts DOT Drug Testing Rules [7-Minute Safety Trainer] - Spanish  National
Quizzes DOT Drug Testing Rules [7-Minute Safety Trainer] - Spanish  National
Interpretations DOT has jurisdiction of the trucking industry.[1975.1] 01/13/1992National
Guidance Documents Drug and Alcohol Testing Brochure for Drivers  National
Toolbox Talks Drug Testing Rules for Commercial Drivers  National
Guidance Documents Implementation Guidelines for Alcohol and Drug Regulations in Highway Transportation  National
Questions & Answers Please explain the difference between the 1/6/2020 and 1/6/2023 implementation dates for the FMCSA's Drug and Alcohol Clearinghouse rule 03/13/2020National
Questions & Answers Since can only give DOT employees a 5-panel drug test, can we give our non-DOT employees a 10-panel drug test? 08/03/2017National
Questions & Answers We are planning to have a drug testing of all employees. Can we tell employees to bring prescriptions or letters from doctors signed and dated as to prescription drugs people are taking? 05/02/2013National
Questions & Answers We are required to have our supervisors trained for reasonable suspicion, is there anything available in the BLR Library for this? 03/28/2011National
Questions & Answers What are the specifics in mandatory DOT training for alcohol misuse and controlled substance abuse for supervisors? What sort of certificiation is required? Does BLR's training suffice? 07/26/2012National
Guidance Documents What Employers Need to Know About DOT Drug and Alcohol Testing  National
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