CDL 303

About CDL 303

CDL 303 is a family-owned, locally operated CDL training school with its skills training yard located at 8525 Brighton Road, Commerce City, CO 80022 (near Aurora). The school can be reached at (720) 320-0336 or by email at sales@cdl303.com. It is approved and regulated by the Colorado Department of Higher Education, Private Occupational School Board, and is listed on the Training Provider Registry (TRP). CDL 303 offers Class A and Class B CDL programs in an intensive but encouraging format with a maximum of 3–4 students per instructor. The Class A program runs two weeks (120 hours minimum), Monday–Friday from 8am–5pm, with testing typically on day 10 or earlier. The Class B program takes one week. Two skills test attempts are included in the price, with free retests if needed. The school maintains a fleet of 5 tractors and trailers and offers training on both automatic and manual 10-speed transmissions. The school offers one of the most affordable ELDT (Entry Level Driver Training) online courses in the state at just $25, compared to up to $500 at other providers. Payment options include Flex-Pay savings accounts, Train Now/Pay Later, Colorado Workforce funding for unemployed students, and company sponsorships. Career connections include major fleets like SAIA, U-Haul, PepsiCo, May Trucking, Knight/Swift, and Acme Distributing. CDL 303 has received media coverage from 9News, Colorado Sun, and KUNC, and offers an exclusive "Mountain Ready" certification course at no extra cost to graduates — practical training for Colorado terrain.

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