Can I update my MCS-150 online?
Yes. MCS-150 updates are made online in FMCSA's Motus registration system at motus.dot.gov, where you sign in with Login.gov and link your USDOT number to your account. A third-party filing service can also prepare and submit the update for you. FMCSA controls when the update shows in its records.
Motus (motus.dot.gov) is the official FMCSA online filing channel for MCS-150 as of May 2026, replacing the legacy URS portal. Carriers sign in with a Login.gov account connected to their USDOT record. Once signed in, the carrier can view current registration, update the MCS-150 fields, submit electronically, and download a confirmation receipt.
Third-party filing services (Fast MCS-150 Filing, others) submit electronically through the same FMCSA system that direct-online filers use. The substantive filing is identical; the service adds preparation, monitoring, and confirmation. The trade-off for the $175 service fee is convenience - the online filing is straightforward but does require setup time on the first use.
Gather your data (vehicle counts, mileage, contact info, classifications) before signing in so you do not lose work mid-form on a long submission.