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  2. Truck classification - Wikipedia

    en.wikipedia.org/wiki/Truck_classification

    Commercial operation of a Class 8 vehicle in the United States requires either a Class-B CDL for non-combination vehicles, or a Class-A CDL for combination vehicles (tractor-trailers). [32] Industries that generally use Class 8 trucks are long-distance freight transportation, construction, and heavy equipment moving.

  3. Federal Bridge Gross Weight Formula - Wikipedia

    en.wikipedia.org/wiki/Federal_Bridge_Gross...

    The Federal Bridge Gross Weight Formula, also known as Bridge Formula B or the Federal Bridge Formula, is a mathematical formula in use in the United States by truck drivers and Department of Transportation (DOT) officials to determine the appropriate maximum gross weight for a commercial motor vehicle (CMV) based on axle number and spacing ...

  4. Commercial driver's license - Wikipedia

    en.wikipedia.org/wiki/Commercial_driver's_license

    A commercial driver's license is required to operate a tractor-trailer for commercial use. A commercial driver's license (CDL) is a driver's license required in the United States to operate large and heavy vehicles (including trucks, buses, and trailers) or a vehicle of any size that transports hazardous materials or more than 15 passengers (including the driver).

  5. FMCSA Extends CDL, Medical Permit Renewal Waiver - AOL

    www.aol.com/news/fmcsa-extends-cdl-medical...

    A federal waiver scheduled to expire on June 30 giving drivers with expired commercial driver's licenses (CDLs) and medical cards extra time to get them renewed has been extended through September ...

  6. Driver's licenses in the United States - Wikipedia

    en.wikipedia.org/wiki/Driver's_licenses_in_the...

    The minimum age for a commercial driver's license is generally 18 years old, but federal law requires commercial drivers to be at least 21 years of age to operate a commercial motor vehicle in interstate commerce. An unrestricted driver's license is a prerequisite in all states before a commercial driver's license can be issued.

  7. Semi-trailer truck - Wikipedia

    en.wikipedia.org/wiki/Semi-trailer_truck

    Conventional style cab tractor A cab-over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms – see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a ...

  8. Column: DMV dumps stupid questions for license renewal, but ...

    www.aol.com/news/column-dmv-dumps-stupid...

    In November, 19,000 people of all ages took the DMV's eLearning course, compared with 47,500 people in April. Above, a line outside a DMV office in South L.A. in 2018.

  9. Vehicle size class - Wikipedia

    en.wikipedia.org/wiki/Vehicle_size_class

    Vehicle size classes are series of ratings assigned to different segments of automotive vehicles for the purposes of vehicle emissions control and fuel economy calculation. . Various methods are used to classify vehicles; in North America, passenger vehicles are classified by total interior capacity while trucks are classified by gross vehicle weight rating (GV