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  Commercial Driver Licenses
CDL Class Licenses

Commercial Driver's Licenses have one of the following classes:

Class A

Any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more provided the GVWR of the vehicle being towed is in excess of 10,000 pounds. May also operate a three-wheel vehicle (excluding a two-wheel motorcycle with a side car).
 

Class B

Any single unit vehicle with a GVWR of 26,001 pounds or more, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR. May also operate a three-wheel vehicle (excluding a two-wheel motorcycle with a side car).
 

Class C

Any single vehicle, or combination of vehicles, that are not Class A or B vehicles, but either designed to transport sixteen or more passengers including the driver, or are placarded for H hazardous materials under 49 CFR, part 172, subpart F of the Motor Carrier Safety Regulations. May also operate a three-wheel vehicle (excluding a two-wheel motorcycle with a side car).

Vehicle Description

Class License Needed to Operate Vehicle

A

B

C

GCWR 26,001 or more - combination vehicle towing a vehicle in excess of 10,000 pounds GVWR

X

 

 

GVWR 26,001 or more - single vehicle or combination towing vehicle less than 10,000 pounds GVWR

 

X

 

GVWR 26,000 or less  - designed to transport 16 or more passengers

 

 

X

GVWR 26,000 or less - placarded for hazardous material

 

 

X


Note: Gross vehicle weight rating (GVWR) is defined in South Carolina Code of Law, Section 56-1-2030, item 16 as the weight or the value specified by the manufacturer as the maximum loaded weight of a single or a combination vehicle. The gross vehicle weight rating of a combination vehicle (commonly referred to as the "gross combination weight rating") is the gross vehicle weight rating of the power unit plus the gross vehicle weight rating of a towed unit.

Commercial licenses expire every five years on the driver's birthday and may not be renewed by mail.

Each time you make application for a CDL permit, CDL license, upgrade of CDL license, renewal of CDL license, change of address, or request a duplicate CDL, you will be required to provide proof that you are medically qualified pursuant to Federal Motor Carrier Safety Regulation 49 CFR, Part 391. You must complete Form DL-405A to self-certify the type of commerce for which you intend to operate. You must also provide a valid medical certification for any type of commerce that requires it. (See Frequently Asked Questions regarding form DL-405A.) SCDMV will collect the driver’s certification information and add it to the national Commercial Driver License Information System (CDLIS) record. All commercial driver’s license and beginner permit holders must self-certify by January 30, 2014 or risk losing his or her driving privilege to operate a commercial motor vehicle. Commercial driver’s license and beginner permit holders must comply each time they apply for a new credential, renew or upgrade their credential. If a medical certificate is required, you must also show your valid DOT long form or valid DOT medical pocket card. DMV will not accept a medical certificate if it expires within 30 days from the date it is presented.

If you upgrade or downgrade your commercial license endorsement or class, you must complete Form DL-402 and provide information regarding any previous out-of-state drivers' licenses.

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CDL Endorsements

The following endorsements can be applied to a CDL:

H

Hazardous Material (Hazmat)

N

Tanker Vehicle

P

Passenger Vehicle (designed to transport 16 or more passengers including the driver)

S

School Bus

T

Double/Triple Trailers

X

Combination Hazmat and Tanker

The following tests are required for each endorsement listed above:

1)       Hazardous Materials (Hazmat) – a knowledge test and TSA Threat Assessment.

2)       Tanker Vehicle - a knowledge test.

3)       Bus Passenger – a knowledge and skills test.

4)       School Bus – a knowledge and skills test.
To receive an "S" endorsement, you must also have a "P" endorsement and take a skills test in a vehicle that meets the following definition: "School Bus" means a CMV used to transport pre-primary, primary or secondary school students from home to school, from school to home, or to and from school-sponsored events. A school bus does not include a bus used as a common carrier.

5)       Double/Triple Trailers – a knowledge test.

6)       Combination Hazmat and Tanker – must complete the requirements listed for Hazardous Materials (1) and Tanker (2). 

To obtain any endorsement, you must successfully pass all required knowledge and/or skills tests.  The skills test must be taken in the type vehicle for which the endorsement is issued.

If you upgrade your commercial license endorsement or class, you must Complete Form DL-402 and provide information regarding any previous out-of-state drivers' licenses.

When you apply for an upgrade to your commercial driver's license, you must complete Form DL-405A to self-certify the type of commerce for which you intend to operate. You must also provide a valid medical certification for any type of commerce that requires it. (See Frequently Asked Questions regarding form DL-405A.) SCDMV will collect the driver’s certification information and add it to the national Commercial Driver License Information System (CDLIS) record. All commercial driver’s license and beginner permit holders must self-certify by January 30, 2014 or risk losing his or her privilege to operate a commercial motor vehicle. Commercial driver’s license and beginner permit holders must comply each time they apply for a new credential, renew or upgrade their credential. If a medical certificate is required, you must also show your valid DOT long form or valid DOT medical pocket card. DMV will not accept a medical certificate if it expires within 30 days from the date it is presented.

SCDMV will run automatic checks against the Problem Driver Pointer System (PDPS) and the Commercial Driver License Information System (CDLIS) databases to check your prior driving history in other states. The checks are performed when a customer applies for an original credential, renews a credential, is reexamined or moves from a beginner permit to a license. They are designed to insure drivers have only one valid license at a time.

To view Threat Assessment Requirements (LiveScan), click here.

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CDL Restrictions

 

Restriction Code

Description

as of

March 30, 2012

Explanation of Restriction

E

Automatic Transmission

The CDL holder is restricted from operating a commercial motor vehicle without Automatic Transmission.  The restriction is applied to a CDL if the vehicle used during the road test had automatic or semi-automatic transmission.

If the CDL holder wants to remove this restriction he must successfully pass the entire skills test in a commercial motor vehicle that is not equipped with automatic transmission.

I

Intrastate only

The CDL holder is restricted from operating a commercial motor vehicle outside of South Carolina.  Only allows intrastate transportation of shipments/loads that originated in SC and ended in SC.  The load cannot start or finish outside the state of SC (interstate shipment).  Drivers 18 through 20 years of age require an I Restriction. 

If the CDL holder wants to operate a commercial motor vehicle in interstate commerce instead of intrastate he must visit an SCDMV office once he turns 21 years old to upgrade his license.

K

Vehicle without airbrakes

The CDL holder is restricted from operating a vehicle with air brakes. This restriction is applied to a CDL if the vehicle used during the road test was not equipped with air brakes.

If the CDL holder wants to remove this restriction he must successfully pass the knowledge test for air brakes and pass the skills test in a commercial motor vehicle equipped with air brakes.

M

Except Class A Bus

The CDL holder is restricted from operating a class A passenger vehicle because he used a class B passenger vehicle during his skills test for his passenger endorsement. 

If the CDL holder wants to remove this restriction he must successfully pass the skills test in a class A passenger vehicle.

N

Except Class A and B Bus

The CDL holder is restricted from operating a class A or B passenger vehicle because he used a class C passenger vehicle during his skills test for his passenger endorsement.   

If the CDL holder wants to remove this restriction he must successfully pass the skills test in a class A or class B passenger vehicle.  However, if a class B passenger vehicle is used the N restriction will be replaced with an M restriction. 

P

Excepted Interstate

The CDL holder is restricted from operating a commercial motor vehicle outside of the authorized activities defined by Federal Motor Carrier Safety Administration, and he is not required to meet the Federal DOT medical card requirements. 

If the CDL holder wants to remove this restriction he must present a DOT medical card, and complete another SCDMV Form DL-405A selecting a type of operation other than “Excepted Interstate”.

V

Medical Variance

This restriction indicates that the CDL holder has a medical variance (Federal Waiver or Skills Performance Evaluation) that goes along with his DOT medical certification.

This restriction must never be removed as long as the DOT medical certificate references a medical variance. 

Z

Except Tractor Trailer

The CDL holder is restricted from operating a commercial motor vehicle tractor (pulling unit) with a fifth-wheel articulation.  This restriction is applied to the CDL if the applicant used a unit with a pintle hook, or ball and chain hook up during the skills test. 

If the CDL holder wants to remove this restriction he must successfully pass any necessary knowledge tests for the vehicle he is operating. He must also successfully pass the complete skills test.  The unit used during the skills test must include a fifth-wheel articulation, and meet the GVWR requirements.   The tractor (pulling unit) must have a GVWR of 26,0001 or more pounds and pulling a trailer which has a GVWR of 10,001 pounds or more

 

For information about Jacob's Law, click here.

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Social Security Verification

Effective January 5, 2004 DMV will use an online Social Security Verification System to check your name, date of birth, and social security number against your Social Security Administration (SSA) record.

If the information you provide to DMV does not match your SSA Record, you must correct or verify the information with SSA before being issued a commercial vehicle credential.

The new process will affect the following persons seeking credentials:

  • First time applicants for a commercial vehicle Class A, B, C, E or F beginner’s permit or license.
  • New residents exchanging their out-of-state commercial permit or license for a South Carolina credential.
  • Persons applying for a change in license class (i.e. going from a Class B to a Class A license).
To avoid a licensing delay, please make sure that all documents provided to the DMV match the information contained in your SSA record.
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Getting a CDL Beginner’s Permit

To get a beginner’s permit in the state of South Carolina to operate a commercial motor vehicle you must meet the same requirements listed below for an initial CDL minus item #10 (passing the road test). You are not required to take the road test until you are prepared to successfully pass the pre-trip inspection, off-road and on-road driving for a commercial driver’s license.

 

A CDL beginner's permit can only be renewed or reissued once within a two-year period according to SC Code of Law § 56-1-2080 (C) (3).  See requirements below for renewing a CDL, which are the same requirements for renewing a CDL BP.

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Getting Your Initial Commercial Driver License

To obtain a Commercial Driver's License for the first time in the state of South Carolina, the following are required:

  1. You must be at least 18 years of age to drive within the State of South Carolina and 21 years of age for interstate driving.
  2. Certify that you have read and understand, and meet the qualification requirements under 49 CFR, Part 391 of the Federal Motor Carrier Safety Regulations.
  3. Complete Form DL-405A to self-certify the type of commerce for which you intend to use your CDL. You must also provide a valid medical certification for any type of commerce that requires it. (See Frequently Asked Questions regarding form DL-405A.) SCDMV will collect the driver’s certification information and add it to the national Commercial Driver License Information System (CDLIS) record. All commercial driver’s license and beginner permit holders must self-certify by January 30, 2014 or risk losing his or her driving privilege to operate a commercial motor vehicle. Commercial driver’s license and beginner permit holders must comply each time they apply for a new credential, renew or upgrade their credential.
  4. If required, show your valid DOT long form or valid DOT medical pocket card to meet the requirement of providing proof that you are medically qualified pursuant to Federal Motor Carrier Safety Regulation 49 CFR, part 391. South Carolina requires that you maintain a valid medical Examiner's Certificate to obtain and/or retain a commercial driver instruction permit or commercial driver's license. DMV will not accept a medical certificate if it expires within 30 days from the date it is presented.
  5. Provide proof of identity using Accepted Forms of Identification.
  6. Complete the Complete Form 447-CDL, Application for a Commercial Driver's License or Beginner's Permit. There is a $15.00 application fee.
  7. Complete Form DL-402 Affidavit of Previous Driver's License and provide information regarding any previous out-of-state drivers' licenses.
  8. Pass a vision test.
  9. Pass all required knowledge tests for license or permit in the classification you intend to operate. There is a $2.00 fee for each knowledge test taken.
  10. Pass the road test, which includes the pre-trip inspection, off-road and on-road driving.
  11. Pay $12.50 license fee.
  12. Provide Automobile liability insurance information (SC Code Section 56-1-80(C).  Insurance company must be licensed to do business in the state of South Carolina.

When you apply for a commercial driver's license, SCDMV will run automatic checks against the Problem Driver Pointer System (PDPS) and the Commercial Driver License Information System (CDLIS) databases to check your prior driving history in other states. The checks are performed when a customer applies for an original credential, renews a credential, is reexamined or moves from a beginner permit to a license. They are designed to insure drivers have only one valid license at a time.

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Transferring Your CDL License From Another State

After establishing residency in South Carolina, you must apply to transfer your CDL license within 30 days.

When you apply for a commercial driver's license, SCDMV will run automatic checks against the Problem Driver Pointer System (PDPS) and the Commercial Driver License Information System (CDLIS) databases to check your prior driving history in other states. The checks are performed when a customer applies for an original credential, renews a credential, is reexamined or moves from a beginner permit to a license. They are designed to insure drivers have only one valid license at a time.

You will be required to surrender your out-of-state license before a South Carolina commercial driver's license can be issued.

To transfer a CDL from another state to South Carolina, the following are required:

  1. You must be 21 years of age for interstate driving.
  2. Certify that you have read and understand, and meet the qualification requirements under 49 CFR, Part 391 of the Federal Motor Carrier Safety Regulations.
  3. Complete Form DL-405A to self-certify the type of commerce for which you intend to operate. You must also provide a valid medical certification for any type of commerce that requires it. (See Frequently Asked Questions regarding form DL-405A.) SCDMV will collect the driver’s certification information and add it to the national Commercial Driver License Information System (CDLIS) record. All commercial driver’s license and beginner permit holders must self-certify by January 30, 2014 or risk losing his or her driving privilege to operate a commercial motor vehicle. Commercial driver’s license and beginner permit holders must comply each time they apply for a new credential, renew or upgrade their credential
  4. If required, show your valid DOT long form or valid DOT medical pocket card to meet the requirement of providing proof that you are medically qualified pursuant to Federal Motor Carrier Safety Regulation 49 CFR, part 391. South Carolina requires that you maintain a valid medical Examiner's Certificate to obtain and/or retain a commercial driver instruction permit or commercial driver's license. DMV will not accept a medical certificate if it expires within 30 days from the date it is presented.
  5. Provide proof of identity using Accepted Forms of Identification.
  6. Complete Form 447-CDL, Application for a Commercial Driver's License or Beginner's Permit (there is a $15.00 application fee).
  7. Complete Form DL-402 Affidavit of Previous Driver's License and provide information regarding any previous out-of-state drivers' licenses and disqualifying offenses.
  8. Pass a vision test.
  9. Surrender the actual commercial driver's license you have in your possession at the time you apply.
  10. Applicants with hazardous materials (Hazmat) endorsement must also pass the hazardous materials knowledge test to maintain the endorsement (each knowledge test is $2.00) and complete TSA fingerprinting and background check ($75.50 fee)..
  11. Pay the $12.50 license fee.
  12. Provide Automobile liability insurance information (SC Code Section 56-1-80(C).  Insurance company must be licensed to do business in the state of South Carolina.

Note that Section 23-3-460 of the SC Code of Laws states that a person who has been convicted anywhere of an offense listed in 23-3-430 must register with the county sheriff within 10 days of establishing residency in South Carolina.  A copy of the Sex Offender Registry Law is available upon request.

To view Threat Assessment Requirements (LiveScan), click here. 

 

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Renewing Your CDL

Each time your renew your South Carolina Commercial Driver's License you must provide proof that you are medically qualified for the CDL.  To renew your CDL the following are required:

  1. Complete Form DL-405A to self-certify the type of commerce for which you intend to operate. You must also provide a valid medical certification for any type of commerce that requires it. (See Frequently Asked Questions regarding form DL-405A.) SCDMV will collect the driver’s certification information and add it to the national Commercial Driver License Information System (CDLIS) record. All commercial driver’s license and beginner permit holders must self-certify by January 30, 2014 or risk losing his or her driving privilege to operate a commercial motor vehicle. Commercial driver’s license and beginner permit holders must comply each time they apply for a new credential, renew or upgrade their credential.
  2. If required, show your valid DOT long form or valid DOT medical pocket card to meet the requirement of providing proof that you are medically qualified pursuant to Federal Motor Carrier Safety Regulation 49 CFR, Part 391. South Carolina requires that you maintain a valid medical Examiner's Certificate to obtain and/or retain a commercial driver instruction permit or commercial driver's license. Complete the CDL application.  DMV will not accept a medical certificate if it expires within 30 days from the date it is presented.
  3. Pass a vision test. 
  4. Complete Form 447-CDL, Application for a Commercial Driver's License or Beginner's Permit.
  5. If there has been more than five points assessed against your driver's license within the two years prior to renewal, the general knowledge test will be required.  There is a $2.00 test fee for each test taken.
  6. Applicants with hazardous material (Hazmat) endorsement must also pass the hazardous materials knowledge test to maintain that endorsement ($2.00 for each test taken) and complete TSA fingerprinting and background check ($75.50 fee).
  7. There is a $15.00 application fee.
  8. The fee for renewal is $12.50.
  9. Provide Automobile liability insurance information (SC Code Section 56-1-80(C).  Insurance company must be licensed to do business in the state of South Carolina.
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CDL Drug and Alcohol Testing

Beginning January 1, 2009, employers are required to report to SCDMV the names of all commercial driver employees or applicants who:

  • refuse to provide a specimen for a drug or alcohol test,
  • test positive for drugs or alcohol, or
  • submit an altered, diluted or substituted specimen.

The employer must report the employee using SCDMV Form CDL-18 within three business days. For more information, click here.

 

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Truck Training Schools
For a list of licensed truck training schools in South Carolina, click here.
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CDL Knowledge Test

You will take one or more knowledge tests, depending on what class of license and what endorsements you may need. The CDL knowledge tests include:

  • General Knowledge Test, taken by all applicants.
  • Combination Vehicles Test, which is required if you want to drive Class A combination vehicles.
  • Air Brakes Test, which you must take if your vehicle has air brakes. Drivers not taking this test will be restricted to driving vehicles without air brakes ("K" restriction).
  • Passenger Transport Test, taken by applicants operating vehicles designed to transport 16 or more passengers including the driver..
  • Hazardous Materials Test, required if you want to haul hazardous materials or waste requiring placarding.
  • School Bus Test, required to transport pre-primary, primary, or secondary school students from home to school, from school to home, or to and from school-sponsored events.
  • Tanker Test, required if you want to haul liquids or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or the chassis.
  • Doubles/Triples Test, required if you want to pull double or triple trailers.

The type of CDL written knowledge tests you need to pass depends on the type of commercial motor vehicle you drive and the cargo you haul.   Illustrations of typical vehicle configurations are shown below.

 

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CDL Skills Test

If you pass the required knowledge tests, you can then take the CDL skills test. Only the applicant and DMV Examiner are allowed in or around the vehicle during the skills test. There are three parts to the CDL skills test which must be taken in this order: (1) the pre-trip inspection test, (2) the basic control skills test, and (3) the on-road test. You must take these tests in the type of vehicle for which you wish to be licensed. To be eligible for a CDL, all three parts of the CDL skills test must be passed at one time.

  • Pre-trip Inspection. The purpose of the pre-trip inspection is to see whether the vehicle is safe to drive. You will be required to do a pre-trip inspection of your vehicle and to explain to the examiner what you are inspecting and why. The examiner will mark on a scoring form each item that you correctly inspect and explain. This information can be located in Section 10 of the CDL Manual.

  • Basic Control Skills Test. The purpose of the basic control skills test is to evaluate your basic skills in controlling the vehicle. You will be asked to perform four maneuvers: The Stop Line, Straight Line Backing, Forward Serpentine, and the Alley Dock. This information can be located in Section 11 of the CDL Manual.
  • Road Test. The purpose of the road test is to evaluate your ability to drive safely in a variety of on-road situations. You will drive a test route following the instructions given by the examiner. The test route will include left and right turns, intersections, railroad crossing, curves, up and down grades, interstate, city and rural roads. The examiner will score specific areas of the test route. The examiner will not ask you to do anything dangerous or illegal. This information can be located in Section 12 of the CDL Manual. 
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Military Commercial Drivers Skills Test Waiver

SCDMV will allow qualified military service members to waive the commercial skills test to obtain a commercial driver license effective April 14, 2014. The waiver allows them to apply for a South Carolina commercial driver license without having to take the skills test. However, applicants must still pass all required knowledge tests and comply with mandatory federal regulations before receiving a commercial motor vehicle license.

 

To qualify, applicants must be active military personnel or within 90 days after separation of military service. They must also have served in a military position requiring the operation of a military commercial motor vehicle. Applicants must have a valid South Carolina driver license and cannot have held more than one other driver license within the past two years. Drivers whose licenses were suspended, revoked, cancelled or disqualified during the previous two years are not eligible for the waiver. 

 

On April 14, 2014, SCDMV will begin accepting applications for the waiver. While other states or entities may provide similar versions of the application, DMV will only accept Form DL-408A. The form must be signed by the applicant’s Commanding Officer. Service members should allow DMV two weeks to process their applications.

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Where to Take CDL Skills Tests

Knowledge, skills and vision tests are required when you apply for an original commercial driver license (CDL) or upgrade to a different class of license. You may take the CDL knowledge test and vision test at any DMV office that provides full driver license services.  The South Carolina Driver’s Handbook, CDL Manual, or other testing aids cannot be used while taking the knowledge test. Tests will be treated as a failure if a hand book or other types of testing aids are used during the test. If you are caught using a cell phone, using a camera device or found talking to others during the test, you will also fail the test. You must make an appointment to take a CDL driving skills test at any of the 35 DMV offices listed below:

 

Allendale

Beaufort

Bennettsville

Bishopville

Camden

Charleston (Leeds Ave)

Chester

Chesterfield

Columbia (Shop Rd)

Conway

Dillon

Florence

Fountain Inn

Gaffney

Georgetown

Greenville (Saluda Dam Rd)

Greenwood

Greer

Irmo

Kingstree

Ladson

Lake City

Lancaster

Laurens

McCormick

North Augusta

Orangeburg

Pickens

Ridgeland

Rock Hill (Hands Mill Rd)

Seneca

Spartanburg (Southport Rd)

St George

Sumter

Walterboro

 

 

Valid Inspection Sticker

Unless exempt from FMCSA regulations 396.17, the DMV examiner must verify that every commercial motor vehicle used in interstate commerce in excess of 10,000 lbs.has a valid inspection sticker.  If a commercial vehicle does not have a valid inspection sticker, it does not meet qualifications and the examiner will not allow you to take the test.  

 

  

Retaking the Entire Skills Test

Applicants who take the CDL examination will be required to pass all portions of the skills test on the same day. A failure of any portion of the test will require the applicant to retake the test in its entirety. 

1.  If the applicant fails any portion of the skills test (pre-trip, basic skills, or on-road test), the $25.00 fee is required for subsequent skills tests. 

2.  If an applicant cannot complete any portion of the pre-trip or basic skills tests after its been started for reasons beyond their control, such as inclement weather, the vehicle fails, or the examiner gets sick, the $25.00 fee will not be charged when the applicant returns. 

 

Return Times if you Fail the Road Skills Test
a) An applicant with no previous driving experience who fails a skills test must wait two (2) weeks to re-test regardless of age.
b)
An applicant who has had previous driving experience (held a former driver's license) who fails a skills test, must wait one (1) week to retest regardless of age. Holding a beginner’s permit does not count as former driving experience.
c) 
If the applicant has failed the skills test on the third (3rd) or subsequent attempt he/she must wait sixty (60) days before being re-tested.

 

Type of Credential Held by Customer

Skills Test

Wait Time

Before Returning for Next Test

Beginner’s Permit only –

 

no other previous driving experience

 

Fails 1st  or 2nd attempt

Must wait two (2) weeks

 

NOTE:  If customer also holds a driver’s license in a different class than the beginner’s permit they would only have to wait one week to re-test (see below).

Driver’s License

(class D, E, F, A, B, C, M, or Out-of-state)

Fails 1st or 2nd attempt

Must wait one (1) week

Beginner’s Permit or

Driver’s License

(class D, E, F, A, B, C, M, or Out-of-state)

Fails 3rd attempt or subsequent attempts

Must wait sixty (60) days

 

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Commercial Vehicle Configurations

The type of CDL written knowledge tests you need to pass depends on the type of commercial motor vehicle you drive and the cargo you haul. Some examples follow.

Vehicle Type Test Topics


Straight Truck
Class B Vehicle

 

 

For example, Concrete Mixer, Dump Truck, Trash Disposal, or Stake Beds. For these types of vehicles, you are required to take the following knowledge tests:
  • General Knowledge Test
  • Air Brakes Test if the vehicle is equipped with air brakes


Straight Truck
Class B Vehicle

 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required


Straight (Van) Truck with Cargo Tank Trailer
Class A Vehicle

 

For this type vehicle, you are required to take the following knowledge tests:
  • General Knowledge Test
  • Combination Vehicles Test
  • Tank Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required


Straight Truck with Portable Tank
Class B Vehicle
 

 

 

A tank not permanently attached to vehicle is classed as a portable tank. For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required
  • Tank Vehicles Test

 


Straight Truck with Trailer
Class A Vehicle
 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Combination Vehicles Test
  • Hazardous Materials Tests if placards are required

Straight Tanker
Class B Vehicle
 

 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Tank Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Double Trailers
Class A Vehicles
 

 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Doubles/Triples Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Tractor-Semitrailer Tanker
Class A Vehicle
 

 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Tank Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Tractor-SemiTrailer
Class A Vehicle
For this type vehicle, you are required to take the following knowledge tests:
  • General Knowledge Test
  • Combination Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Double Tank Trailers
Class A Vehicle
 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Tank Vehicles Test
  • Doubles/Triples Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Triple Trailers
Class A Vehicle
 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Doubles/Triples Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required


Straight Tank Truck with Cargo Tank Trailer
Class A Vehicle
 

 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Tank Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • Hazardous Materials Tests if placards are required

Tow Truck with Heavy Vehicle in Tow
Class A Vehicle
 

 

For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Combination Vehicles Test
  • Air Brakes Test if the vehicle is equipped with air brakes

Truck with Cargo Tank Trailer
Class A Vehicle

 

 

A tank permanently attached to vehicle is classed as a cargo tank. For this type vehicle, you are required to take the following knowledge tests:

  • General Knowledge Test
  • Tank Vehicles Test
  • Hazardous Materials Tests if placards are required

Passenger Bus
Class B Vehicle
 

 

For this type vehicle, you are required to take the following Knowledge tests:

  • General Knowledge Test
  • Passenger Test
  • Air Brakes Test if the vehicle is equipped with air brakes
  • School bus test only if the vehicle is used to transport preprimary, primary or secondary school students from home to school, from school to home, or to and from school sponsored events 

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On This Page
CDL Class Licenses
CDL Endorsements
CDL Restrictions
Social Security Verification
Getting a CDL Beginner’s Permit
Getting Your Initial Commercial Driver License
Transferring Your CDL License From Another State
Renewing Your CDL
CDL Drug and Alcohol Testing
Truck Training Schools
CDL Knowledge Test
CDL Skills Test
Military Commercial Drivers Skills Test Waiver
Where to Take CDL Skills Tests
Commercial Vehicle Configurations

Related Sites
US DOT Auto Safety Hotline
Federal Motor Carrier Safety Administration
US DOT Office of Hazardous Material Safety
Donate Life South Carolina
SC Dept of Alcohol and Other Drug Abuse Services