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Comprehensive Safety Information (CSI) is a system to identify and manage motor carrier safety issues.

FMCSA and State Enforcement Users
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Motor Carrier Users
Click here to view SMS Results: http://ai.fmcsa.dot.gov/SMS.

FMCSA and State Enforcement Users

Please use your CSI username and password. If you require any assistance, please contact FMCSA CSI Support by telephone at 617-494-3164 or 617-494-3169.

ATTENTION: Motor Carrier and non-test FMCSA and State Enforcement Users

The Comprehensive Safety Information (CSI) has been replaced by the new Safety Measurement System (SMS) website: http://ai.fmcsa.dot.gov/SMS. Please use the SMS website from here on out and update your favorites accordingly.

You are accessing a U.S. Government information system. This information system, including all related equipment, networks, and network devices, is provided for U.S. Government-authorized use only. Unauthorized or improper use of this system is prohibited, and may result in civil and criminal penalties, or administrative disciplinary action. The communications and data stored or transiting this system may be, for any lawful Government purpose, monitored, recorded, and subject to audit or investigation. By using this system, you understand and consent to such terms.

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