Utah! Gorgeous, gorgeous Utah! From the Rocky Mountain regions and famous desert parks like Arches, Bryce Canyon, Canyonlands, Capitol Reef, and Zion (also called “The Mighty Five”) to its major urban areas like Salt Lake City, Utah has some of the most beautiful scenery this country has to offer. Expanding your resume with a Double/Triple Trailers (T) endorsement on your Utah Commercial Driver’s License (CDL) can immediately increase your job opportunities and earning potential. And the good news is that since you already have your CDL, you’ve done the heavy lifting! The remaining requirement is passing a 20-question multiple-choice knowledge test with a score of 80% (16 correct answers). That’s it! Once you pass this knowledge test, you’ll receive the “T” endorsement, granting you the ability to legally tow two or three trailers in authorized areas (Utah CDL Handbook 2025).
If you’re thinking about pulling double or triple trailers in the Beehive State, you must be at least 18 years of age. However, if you’re planning to cross state lines you’ll need to wait until you’re at least 21 years of age per federal law. This endorsement permits pulling doubles and triples, and on many roads in Utah, both configurations are allowed. Just don’t exceed 105 feet in length or a combined weight of 129,000 pounds! In Utah, double/triple trailers are often used for the transport of mining materials like copper, coal, and salt, industrial and manufacturing equipment, consumer goods and electronics (Salt Lake City is a major hub), and construction materials. From the rural areas, you’ll haul agricultural products like livestock, dairy, hay, and grains. Heard enough? Now let’s get you prepared!