MCS-150 Biennial Update Guide & Resource Center
What Is an MCS-150?
A plain-English explanation of the MCS-150, why FMCSA uses it, how it relates to the biennial update, and who should review a USDOT registration record.
10-minute guide 02MCS-150 Due Date
Determine the filing month and odd-or-even year from a USDOT number, then verify the most recent update and current registration status.
9-minute guide 03How to File Online
Prepare the correct information, establish Motus access, review the company record, certify the update, and verify the result without relying on obsolete Portal instructions.
12-minute guide 04Update USDOT Information
Understand which company, address, contact, fleet, driver, mileage, cargo, and operation changes belong in the USDOT registration record—and which require separate action.
11-minute guide 05Missed MCS-150 Deadline
Separate a late update from an inactive USDOT number, an out-of-service order, New Entrant revocation, and operating-authority problems—then choose the right corrective action.
10-minute guide 06MCS-150 Form Types
Compare the standard motor-carrier report with the hazardous-materials safety-permit and intermodal-equipment-provider variants before choosing a filing path.
8-minute guide 07Common MCS-150 Mistakes
Prevent official return reasons, catch inaccurate operating data, resolve Motus access problems, and troubleshoot an update that is pending or missing from the public record.
12-minute guideReady to file instead of researching?
Motus DOT Compliance offers private filing assistance for companies that prefer help reviewing and submitting an MCS-150 biennial update.
Review MCS-150 Filing Assistance →Already had your USDOT number deactivated? Visit our USDOT Reactivation page, or if you're a new entrant, see New Entrant Reactivation. If you're getting used to FMCSA's new registration system, see our Motus Transition Guide.