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CDL endorsement & restriction decoder

Plain-English meanings for the endorsement and restriction codes printed on a Commercial Driver’s License.

Decode a letter on a CDL

Type a single letter code from a CDL.

Endorsements (common)

CodeMeaningNotes

Restrictions (common)

CodeMeaningNotes

Source

FMCSA CDL standards in 49 CFR Part 383 and commonly published AAMVA/state CDL manual tables for endorsement and restriction codes. FMCSA CDL overview. State manuals control state-specific codes.

Reference tool only — not legal, medical, financial, or professional advice. Verify against the linked primary source before you rely on a result.

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