Foundation documents
About this collection
Use these resources to build your own guides, curriculum, evaluations, assessments, and more.
Resources
NOS documents
Occupational standards define the knowledge and skills required for effective workplace
performance in various occupations.

National Occupational Standard for Commercial Transport Truck Operators (NOS-O)
Build driver training and development on a clear competency foundation. This standard defines the knowledge, skills, and abilities commercial transport truck operators need to perform safely, professionally, and effectively in the workplace.

National Occupational Standard for Commercial Transport Truck Instructor (NOS-I)
Build stronger driver training through stronger instructor development. This standard defines the competencies commercial transport truck instructors, trainers, mentors, and coaches need to deliver effective classroom, practical, in-yard, in-cab, on-road, and mentoring-based learning.
NOS-O supplements
Supplements to the National Occupational Standard for commercial transport truck operator with additional occupational competencies.

NOS-O Supplement – Driving Steep Inclines
Support safer commercial vehicle operation on steep inclines and mountainous terrain. This supplement helps training developers and providers build specialized driver training focused on risk awareness, planning, vehicle preparation, safe ascent, safe descent, and effective speed control.

NOS-O Supplement – Transporting Cargo on Flatbeds Vehicles
Support safer flatbed cargo transport with clear competency guidance. This supplement helps training developers and providers build flatbed training content focused on cargo securement, loading and unloading, tiedown use, inspection requirements, specialized equipment, and commodity-specific securement practices.
Other foundation documents
Additional support to help you build your own guides, curriculum, evaluations, assessments, and more.

Knowledge Content Inventory
Support safer and more consistent tractor-trailer inspection training. This guide helps instructors, trainers, mentors, and coaches teach commercial transport truck operators how to complete pre-operation checks, identify NSC 13 Schedule 1 defects, and respond appropriately to minor and major vehicle conditions.

Practical Skills Inventory
Strengthen driver onboarding and finishing programs with clear practical skill expectations. This resource helps training developers and providers align occupational-level training with the hands-on skills commercial transport truck operators need to work safely, confidently, and effectively.