Qualifying for TeXas CDL 

Item Name

General Requirements

General Requirements

The following are the general requirements a person must meet in order to apply for a Commercial Driver License.

Drugs and Alcohol

Anyone required to have a CDL to drive a commercial motor vehicle is subject to alcohol/controlled substance testing. Commercial Vehicle Owner and driver(s) and vehicle(s) are subject to other parts of the motor carrier safety regulations.


The driver must reside in the state of Texas. He must certify that he or she meets the qualification requirements of 49 CFR, Part 391, which are briefly:1) be 21 years of age, 2) be able to read and speak the English language, 3) no loss of limb that has not been waived, 4) no impairment of hand, finger, arm, foot, or leg that interferes with driving, 5) no diabetes requiring insulin for control, 6) no heart problems, 7) no respiratory dysfunction, 8) no high blood pressure, 9) no rheumatic, arthritic, orthopedic, muscular, neuromuscular, or vascular problems that would affect vehicle control, 10) no epilepsy or other condition likely to cause loss of consciousness, 11) no mental, nervous, organic, or functional disease or psychiatric disorder likely to interfere with vehicle control, 12) vision 20/40 or better in each eye, not color blind, 13) have good hearing, 14) not addicted to drugs, and 15) not addicted to alcohol.