Illinois CDL Practice Exam

What is the minimum age requirement to apply for a CDL in Illinois?

1. 16 years old

2. 18 years old

3. 21 years old

4. 25 years old

The correct answer is: 18 years old

In Illinois, the minimum age to apply for a Commercial Driver's License (CDL) is indeed 18 years old. This age requirement aligns with the federal regulations that govern commercial driving within state lines. However, it is important to note that while an individual can obtain a CDL at 18, they are restricted to driving only within the state boundaries until they turn 21. Once a driver reaches the age of 21, they can operate commercial vehicles that cross state lines or transport hazardous materials. This distinction emphasizes the regulatory framework in which younger drivers are allowed to gain experience and training on the road before handling the complexities of interstate driving, which typically involves a higher level of skill and responsibility. The other age options reflect thresholds that do not align with this regulatory framework, making them inappropriate for this specific context.