A Class A Commercial Driver’s License (CDL-A) authorizes a driver to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the towed vehicle is heavier than 10,000 pounds. This license covers the vast majority of tractor-trailer and other large combination vehicles used in commerce. Obtaining a CDL-A in Michigan is highly regulated, requiring compliance with both federal mandates and specific state laws enforced by the Michigan Secretary of State (SOS). The path to licensure involves demonstrating both written knowledge and practical driving proficiency.
Initial Eligibility and Medical Requirements
The process begins with meeting foundational eligibility criteria. An applicant must hold a valid, non-commercial Michigan driver’s license. Drivers must generally be at least 18 years old to drive within state lines (intrastate commerce). Operating across state lines (interstate commerce) or transporting placarded hazardous materials requires the driver to be at least 21 years of age. Drivers under 21 who obtain a CDL receive a K restriction, limiting them to operating only within Michigan.
A fundamental requirement is passing a Department of Transportation (DOT) physical examination administered by a certified medical examiner. This examination confirms the applicant is physically capable of safely operating a commercial motor vehicle, covering vision, hearing, and overall physical health. Upon passing, the examiner issues a Medical Examiner’s Certificate, often called a “Med Card.” This Med Card must be presented to the Michigan Secretary of State (SOS) before applying for the Commercial Learner’s Permit (CLP).
Obtaining the Commercial Learner’s Permit
Once medical qualification is secured, the next step is applying for the Commercial Learner’s Permit (CLP) at a Michigan Secretary of State office. The CLP is a prerequisite that allows the applicant to begin the necessary behind-the-wheel training. To obtain the CLP for a Class A license, the applicant must successfully pass a series of written knowledge tests.
The required knowledge tests include General Knowledge, Air Brakes, and Combination Vehicles. An applicant needs to score at least 80% on each section. These computer-based tests assess a driver’s understanding of safe driving practices, vehicle systems, and specific regulations. Once issued, the CLP is valid for one year and must be held for a minimum of 14 days before the applicant is eligible to take the final CDL skills test. The permit legally allows the holder to practice driving commercial vehicles only when accompanied by a licensed CDL holder, who must occupy the seat next to the driver.
Required Entry-Level Driver Training
The next procedural step involves meeting the federal mandate for Entry-Level Driver Training (ELDT). This requirement ensures new drivers meet minimum proficiency standards and must be completed before an applicant can take the official CDL skills test. This rule applies to first-time Class A license seekers. The training curriculum is divided into two components: theory instruction and behind-the-wheel (BTW) instruction.
The theory portion covers a broad range of subjects, including vehicle inspection, basic control, safe operating procedures, and advanced driving techniques. This instruction, which can be classroom or online, must be provided by a training provider listed on the Federal Motor Carrier Safety Administration’s (FMCSA) Training Provider Registry (TPR).
Following the theory segment, applicants must complete the BTW portion, which involves practical instruction on a driving range and on public roads. The BTW training must involve the proper operation of a combination vehicle representative of the Class A license being sought. A registered provider must certify that the applicant has demonstrated proficiency in all required skills. The training provider is responsible for electronically submitting the completion certification to the TPR, which confirms an applicant’s eligibility to schedule the final skills examination.
Scheduling and Passing the CDL Skills Test
After successful completion of the ELDT and holding the CLP for the required 14 days, the applicant can schedule the final CDL skills test. In Michigan, this test is administered by approved third-party testing organizations. The examination must be taken in a combination vehicle that meets the Class A standard.
The skills test is a comprehensive, three-part examination that must be passed in sequence. The first part is the Pre-Trip Vehicle Inspection, where the applicant must demonstrate the ability to thoroughly inspect the vehicle and identify mechanical or safety defects. Failure to pass this segment results in the test being immediately terminated, and the driver must return another day. The second segment is the Basic Vehicle Control Skills test, which evaluates the driver’s ability to maneuver the commercial vehicle in tight spaces. Finally, the third segment is the On-Road Driving Test, where an examiner evaluates the applicant’s ability to operate the vehicle safely in various traffic conditions, including shifting, lane changes, and railway crossings. The applicant must pass all three parts to receive the necessary skills test certificate.
Understanding Fees and Final Paperwork
The administrative costs associated with obtaining the CDL-A are separate from the tuition charged by training schools. Applicants must pay a fee for the Commercial Learner’s Permit (CLP) application, which covers the required knowledge tests. Fees are also assessed for each CDL group designation and any endorsement added to the license.
While the knowledge tests are conducted at the SOS office, the skills test is administered by a third-party tester, who charges a separate fee. Once the skills test is passed, the applicant must return to the Secretary of State office with the test certificate to pay the final fee for the issuance of the actual Commercial Driver’s License. This final step requires the applicant to present specific paperwork, including proof of U.S. citizenship or lawful permanent residency. Acceptable documentation includes a valid U.S. passport or a certified copy of a birth certificate.
Essential Endorsements for CDL-A Drivers
A basic Class A CDL permits general operation of a combination vehicle, but specialized hauling requires specific endorsements. These endorsements mandate additional knowledge or skills testing and broaden a driver’s job prospects.
The Tanker endorsement (N) is required for transporting liquids or gases in bulk tanks that meet a specific size threshold. The Hazardous Materials endorsement (H) is necessary for hauling materials that require federally mandated placarding. Securing the Hazmat endorsement involves passing a written knowledge test and undergoing a Transportation Security Administration (TSA) background check. Drivers who haul liquid hazardous materials often obtain the combined endorsement known as “X,” which includes both Tanker and Hazardous Materials endorsements. Another important credential is the Doubles/Triples endorsement (T), which is required for drivers who operate a commercial vehicle pulling two or three trailers simultaneously.

