Chameleon Carrier
A motor carrier shut down for safety violations that re-registers under a new DOT number to evade its enforcement history. Chameleon carriers carry forward identical operational risk with a clean record. CarrierOk detects chameleon patterns by analyzing shared addresses, phones, principals, and EINs across 4M+ entities.
Definition
A chameleon carrier is a motor carrier that has been shut down, had its authority revoked, or received an unsatisfactory safety rating, and then re-registers with FMCSA under a new name and DOT number to continue operating with a clean safety record. The same drivers, trucks, and management continue operating — only the legal identity changes. FMCSA has identified thousands of chameleon carrier cases, and the agency treats this as a serious enforcement priority. Common chameleon indicators include shared physical addresses, phone numbers, principal officers, EINs, or registered agent details between the new entity and a previously shut-down carrier. The practice is explicitly illegal under 49 U.S.C. 521(b)(2A), but enforcement is reactive — FMCSA typically discovers chameleons after they've been operating for months or years. CarrierOk detects chameleon patterns proactively by cross-referencing contact networks, officer names, addresses, and corporate linkages across the full FMCSA entity dataset. Risk signals flag potential chameleon carriers in the API response so that onboarding workflows can automatically escalate or reject them.
Why It Matters
For Underwriters
Binding a chameleon carrier means insuring the same operation that was previously too dangerous to operate — prior loss history, driver behavior, and equipment condition haven't changed, only the DOT number.
For Brokers
Tendering a load to a chameleon carrier exposes you to vicarious liability claims, since courts have ruled that brokers must exercise reasonable diligence in carrier selection.
For Developers
Integrate CarrierOk's risk_signals array into your onboarding flow — chameleon flags require zero custom logic on your side and block the highest-risk carriers at point of entry.
In the API
/v2/profileRelated Fields
risk_factors_scorerisk_signalstelephone_numberphysical_addresseintotal_revocationsFrequently Asked Questions
What is a chameleon carrier in trucking?
A chameleon carrier is a trucking company that was shut down or had its authority revoked for safety violations, then re-registers with FMCSA under a new name and DOT number to start fresh. The same people, trucks, and operational risks persist — only the legal identity changes. It is illegal under federal law but difficult for FMCSA to catch proactively.
How do you detect a chameleon carrier?
Detection relies on cross-referencing identity markers across entities. Common signals include shared physical addresses, phone numbers, principal officer names, EINs, and registered agent details between a new entity and a previously shut-down carrier. CarrierOk automates this analysis across 4M+ FMCSA entities and surfaces chameleon risk flags in the risk_signals field of the API response.
Why are chameleon carriers dangerous?
Chameleon carriers have already demonstrated unsafe operations serious enough to warrant shutdown. By re-registering, they bypass all enforcement consequences while continuing the same practices with the same drivers and equipment. They appear compliant on paper because their new DOT number has no violation history. This creates blind spots for any company relying solely on the carrier's current FMCSA record.
Related Terms
New Entrant
A motor carrier registered with FMCSA for less than 18 months, subject to a New Entrant Safety Audit. New entrants have limited inspection history, making traditional risk scoring unreliable. CarrierOk flags new entrants in risk_signals and provides a New Registrants feed for discovering newly authorized carriers.
Safety Rating
A rating assigned by FMCSA after a compliance review: Satisfactory, Conditional, or Unsatisfactory. An Unsatisfactory rating can trigger an out-of-service order. However, most carriers have never been reviewed and carry no rating — absence of a rating does not indicate safety. CarrierOk includes safety rating status in carrier profiles.
DOT Number (USDOT Number)
A unique identifier assigned by the U.S. Department of Transportation to every motor carrier, broker, and freight forwarder in interstate commerce. The DOT number is the primary key for looking up safety records, insurance, and authority in FMCSA databases. CarrierOk indexes over 4.2 million DOT numbers.
FMCSA (Federal Motor Carrier Safety Administration)
The federal agency within the U.S. Department of Transportation that regulates the trucking and bus industries. FMCSA issues operating authority, sets safety standards, and maintains the databases — SAFER, SMS, MCMIS, L&I — that CarrierOk indexes four times daily to power its carrier intelligence platform.