
Commercial Driver Training
in Ontario – Trusted Since 1913
Air Brake Instructor, Fleet Driver Trainer
& Defensive Driving Certification
Join thousands of drivers and trainers
across Ontario who trust Ontario Safety League
for professional certification. From Air Brake
Instructor courses to Fleet Driver Trainer programs
and CVOR compliance training, we deliver
industry-recognized education that saves lives
and improves road safety.
We offer programs for fleets of any size!
Why Choose OSL
100+ Years of Experience
Ministry & Court Approved Courses
20,000+ Graduates per year
150+ ABE Signing Authorities and Locations
Explore Our Courses

Defensive Driving
Learn the best techniques to stay safe on the road.
Sent by Paralegal or Court
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What’s New
OSL in the News
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Brian Patterson Retires After 20 Years as OSL President
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Concerns Rise Over Declining Safety and Compliance in Ontario
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Winter Safety Tips from OSL President Brian Patterson
- Canadian Cities Strengthen Road Safety Measures After Windsor Collisions
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The OSL’s opinion on the increased speed limit to 110kph on certain sections of the 400 series of highways.