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Better documentation
Supervisors are more likely to document specific facts clearly instead of relying on vague concerns.
DOT Compliance Resource
DOT Supervisor Training
DOT Supervisor Training
FMCSA Requirements for CDL Supervisors
If your company has supervisors who oversee CDL drivers, FMCSA requires specific training so they can recognize signs of alcohol misuse or controlled substances use and make a proper reasonable suspicion determination when needed.
120 Minutes Total
60 minutes alcohol misuse + 60 minutes controlled substances use
One-Time Requirement
FMCSA guidance says this is a one-time supervisor training requirement
Documentation Matters
Keep proof of completion with your DOT compliance records
Important: Supervisors designated to oversee CDL drivers should receive at least 60 minutes of training on alcohol misuse and an additional 60 minutes on controlled substances use so they can determine whether reasonable suspicion exists to send a driver for testing.
What is DOT supervisor training?
DOT supervisor training helps supervisors and company officials recognize the physical, behavioral, speech, and performance indicators that may support a reasonable suspicion referral.
For supervisors of CDL drivers
Applies to designated supervisors or company officials responsible for overseeing drivers covered by FMCSA drug and alcohol testing rules.
Supports reasonable suspicion decisions
Training is intended to help support reasonable suspicion testing decisions under FMCSA rules.
Separate from employee education
Supervisor training is not the same as general employee drug and alcohol education under your company policy.
Keep training records
Proof of completion should be retained with your compliance documentation.
Who typically needs this training?
Fleet managers
Safety managers
Dispatch or operations supervisors
Terminal managers
Company officials designated to supervise CDL drivers
FMCSA guidance says this generally does not apply to an owner-operator who is both the employer and the only employee.
FMCSA supervisor training requirements
Here is the practical employer version of what the rule is asking for.
| Requirement | What it means | Why it matters |
|---|---|---|
| 60 minutes on alcohol misuse | Supervisors need training on the indicators of alcohol misuse. | Helps support reasonable suspicion determinations. |
| 60 minutes on controlled substances use | Supervisors need training on the indicators of drug use. | Completes the required 120-minute minimum. |
| One-time training | FMCSA guidance says the requirement itself is one-time. | Still, refresher training can be a smart internal best practice. |
| Documentation | Keep records showing who completed the training and when. | Important for audits, internal reviews, and program organization. |
What supervisors should learn
Observable facts
Focus on specific observations, not guesses or assumptions.
Behavior, speech, and performance
Document changes in conduct, job performance, speech, appearance, or body odors where applicable.
What to do next
Know your company’s internal procedure for removing a driver from safety-sensitive duties and arranging testing.
Helpful compliance reminders
Not every employee needs this training
Only designated supervisors should complete it
Keep proof of completion easy to retrieve
Use a signoff sheet or certificate for each trainee
Refresher training can still be useful even if not required
Supervisor training video
Use this embedded video as part of your training workflow.
After training is completed, keep a signoff form or other written record showing the supervisor completed the training.
Documents & links
Quick access to the training-related resources on this page.
Supervisor Training Form
Reasonable Suspicion Determination Form
Open the training video on YouTube
FMCSA supervisor training resource
Best practice: store the completed signoff with your DOT drug and alcohol policy records, supervisor training records, and any internal compliance binder or digital folder.
Why employers should take this seriously
Reasonable suspicion decisions should be based on trained observations, documented clearly, and handled through a consistent internal process.
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Safer decisions
Training helps employers respond more consistently when a potential issue arises.
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Audit readiness
Keeping training records organized makes internal reviews and compliance checks easier.
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Supports CDL programs
This fits into the bigger picture of running a compliant DOT drug and alcohol testing program.
Need help with DOT compliance support, testing, or consortium enrollment?
Supervisor training FAQ
Quick answers for employers and motor carriers.
How much DOT supervisor training is required?
At least 120 minutes total: 60 minutes on alcohol misuse and 60 minutes on controlled substances use.
Is FMCSA supervisor training a one-time requirement?
FMCSA guidance says yes, it is a one-time requirement under 49 CFR 382.603.
Who should take the training?
Persons designated to supervise CDL drivers and make reasonable suspicion determinations should be trained.
Do I need to keep proof that the training was completed?
Yes. Employers should retain documentation showing the training was completed.
Does this apply to a one-person owner-operator?
FMCSA guidance says it does not apply to an owner-operator who is both the employer and the only employee.
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