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The price for the assessment ranges from $10 to $100. Renewing the license after its expiration can cost $25 to $150 in the future. Depending on locality, the license may need to be renewed every four to six years. 

You must pass a vision test when you apply for a driver license or to renew your license. The test must show that you have visual acuity of at least 20/40 (based on the Snellen Visual Acuity Scale) in either or both eyes, with or without corrective lenses.

To drive certain types of commercial motor vehicles in the United States, the federal government requires drivers to possess a commercial driver's license (CDL). These licenses, however, are not all created equal. The type of vehicle you intend to operate dictates your CDL classification, and vice versa.