Double/Triple Trailers
For Double/Triple Trailers, test required is a knowledge test; allowed on a clp (learner's permit) is No — a CLP may carry only the Passenger, School bus and Tank vehicle endorsements, and this is not one of them, recorded from its source on 2026-08-19.
- Endorsement
- Double/Triple Trailers verified
- Test required
- a knowledge test verified
- Allowed on a CLP (learner's permit)
- No — a CLP may carry only the Passenger, School bus and Tank vehicle endorsements, and this is not one of them our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
The only endorsements allowed on a CLP are the following: ( i ) Passenger (P); ( ii ) School bus (S); and ( iii ) Tank vehicle (N). ( 3 ) The State must use the codes listed in <https://www.ecfr.gov/current/title-49/section-383.153> § 383.153 when placing endorsements on a CLP or CDL. ( b ) Endorsement descriptions. An operator must obtain State-issued endorsements to his/her CDL to operate commercial motor vehicles which are: ( 1 ) Double/triple trailers; ( 2 ) Passenger vehicles; ( 3 ) Tank vehicles; ( 4 ) Used to transport hazardous materials as defined in <https://www.ecfr.gov/current/title-49/section-383.5> § 383.5 ; or ( 5 ) School buses. ( c ) Endorsement testing requirements. The following tests are required for the endorsements contained in <https://www.ecfr.gov/current/title-49/section-383.93#p-383.93(b)> paragraph (b) of this section: ( 1 ) Double/Triple Trailers —a knowledge test;
— ecfr.gov, retrieved 2026-08-19
Source
- ecfr.govhttps://www.ecfr.gov/current/title-49/section-383.93