Do I Need a USDOT Number? — Registration Guide
USDOT numbers are required for carriers operating certain commercial motor vehicles in interstate commerce. Learn who must register with FMCSA and how.
New Carrier Setup Guide
New motor carriers and owner-operators getting their own authority must register with FMCSA, obtain a USDOT number, apply for operating authority, meet insurance requirements, and pass a new entrant safety audit within 18 months. These guides walk through each step of the process and ongoing compliance obligations.
Getting FMCSA Operating Authority — MC Number
For-hire interstate carriers need FMCSA operating authority (MC number). Learn who must apply, what the process involves, and obligations after approval.
FMCSA New Entrant Safety Audit Explained
New motor carriers must pass a safety audit within 18 months of registration. Learn what the new entrant program covers and how to prepare.
MCS-150 Biennial Update — FMCSA Requirement
Carriers must update their USDOT registration (MCS-150) every two years. Learn the requirement, how to file, and deadlines.
Owner-Operator Own Authority Checklist
Checklist for owner-operators getting their own FMCSA authority: USDOT number, MC number, insurance, drug testing program, and compliance obligations.
Unified Carrier Registration (UCR) Guide
What the UCR program is, who must register, how the annual fee tiers work, the registration deadline, and what happens without a current UCR registration.