Latest Driving & DMV Information Commercial Drivers License Double and Triples

Commercial Driver’s License: Endorsement “T”for Double and Triple Trailer Sets

by Joshua on Feb 20, 2014.
Filed under: Commercial Driver's Licence
Using a double or triple set of trailers is a great way to get the most efficient use out of your tractor trailer, doing the work of two or three trucks with just one vehicle. Before you pull double or triple sets with your vehicle you will need a “T” endorsement on your commercial driver’s license. Commercial Driver’s License Restrictions and Endorsements Here is a full list of the different restrictions and endorsements you can have tacked on to your commercial driver’s. Note that this list... Read More


Since 2008, has helped tens of thousands of people quickly, easily and safely prepare for and pass their DMV written test. offers no-nonsense, professionally written study guides and practice tests for all 50 states. Our site is 256 Bit secured and we have helped over 1.2M drivers quickly, easily and safely obtain their driving license.