Texas Commercial Vehicle Operation Exam
Questions and Answers Latest Update |
Comprehensive Texas CommerCial Driver’s
License (CDL) Study Guide, Practice Test Bank,
Verified Questions with Detailed Rationales for
Students Preparing for Commercial Vehicle
Operation and Safety Assessments
Question 1: What is the minimum age requirement for a driver to operate a commercial motor vehicle
intrastate (within Texas only)?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
CORRECT ANSWER: B. 18 years old
RATIONALE: Texas law permits drivers who are at least 18 years of age to operate commercial motor
vehicles in intrastate commerce (within Texas borders). However, drivers must be at least 21 years old
to operate in interstate commerce or transport hazardous materials requiring placarding.
www.c1training.com
Question 2: Which Texas agency is responsible for issuing the TxDMV Number (Certificate of
Operating Authority) for intrastate motor carriers?
A. Texas Department of Public Safety (DPS)
B. Texas Department of Transportation (TxDOT)
C. Texas Department of Motor Vehicles (TxDMV)
D. Federal Motor Carrier Safety Administration (FMCSA)
CORRECT ANSWER: C. Texas Department of Motor Vehicles (TxDMV)
RATIONALE: The Texas Department of Motor Vehicles (TxDMV) Motor Carrier Division is authorized by
the Texas Legislature to register motor carriers operating intrastate commercial motor vehicles and
issue the TxDMV Number, also known as the Certificate of Operating Authority.
www.txdmv.gov
Question 3: A motor carrier operating exclusively within Texas must register with TxDMV if their
vehicle has a gross vehicle weight rating exceeding:
A. 10,001 pounds
B. 18,000 pounds
C. 26,000 pounds
D. 33,000 pounds
,CORRECT ANSWER: C. 26,000 pounds
RATIONALE: Motor carriers operating intrastate commercial motor vehicles on Texas roadways must
register with TxDMV's Motor Carrier Division if they operate a vehicle or combination of vehicles with a
gross weight, registered weight, or gross-weight rating exceeding 26,000 pounds.
www.txdmv.gov
Question 4: What is the minimum liability insurance requirement for a private or for-hire motor
carrier in Texas with a gross vehicle weight rating exceeding 26,000 pounds (not transporting
hazardous materials requiring placarding)?
A. $300,000
B. $500,000
C. $1,000,000
D. $5,000,000
CORRECT ANSWER: B. $500,000
RATIONALE: Texas regulations require private or for-hire motor carriers with a gross weight, registered
weight, or gross weight rating in excess of 26,000 pounds to maintain minimum liability insurance of
$500,000, unless transporting hazardous materials requiring placarding or operating as a passenger
carrier with higher requirements.
www.txdmv.gov
Question 5: Which form must an insurance company electronically file with TxDMV to provide proof
of liability insurance for a motor carrier?
A. Form A
B. Form E
C. Form H
D. Form K
CORRECT ANSWER: B. Form E
RATIONALE: Form E is the Proof of Liability Insurance form that must be submitted electronically by the
insurance provider to TxDMV. Forms H and I relate to cargo insurance, while Form K is used for notice of
cancellation.
www.txdmv.gov
Question 6: Under Texas intrastate Hours of Service regulations, what is the maximum number of
hours a property-carrying commercial driver may drive after completing eight consecutive hours off
duty?
A. 10 hours
B. 11 hours
C. 12 hours
D. 14 hours
,CORRECT ANSWER: C. 12 hours
RATIONALE: Texas intrastate Hours of Service regulations allow drivers of commercial vehicles to drive
a maximum of 12 hours following eight consecutive hours of off-duty time, which differs from the
federal interstate limit of 11 hours after 10 consecutive hours off duty.
gomotive.com
Question 7: What is the maximum on-duty limit for Texas intrastate commercial drivers within a
consecutive period before requiring a rest break?
A. 14 hours
B. 15 hours
C. 16 hours
D. 70 hours in 7 days
CORRECT ANSWER: D. 70 hours in 7 days
RATIONALE: Under Texas intrastate regulations, commercial drivers can be on duty for up to 70 hours
over a consecutive seven-day period. After reaching this limit, drivers must take 34 consecutive hours
off duty to reset their cycle.
www.queenanlaw.com
Question 8: Which of the following vehicles is EXEMPT from requiring a TxDMV Number for intrastate
operations in Texas?
A. A vehicle designed to transport 16 passengers including the driver
B. A farm vehicle with a gross weight rating of 50,000 pounds
C. A vehicle transporting hazardous materials requiring placarding
D. A vehicle operated by a governmental entity
CORRECT ANSWER: D. A vehicle operated by a governmental entity
RATIONALE: Vehicles operated by governmental entities are explicitly exempt from TxDMV motor
carrier registration requirements. Vehicles transporting 15+ passengers, farm vehicles over 48,000
pounds, and placarded hazardous materials carriers all require registration.
www.txdmv.gov
Question 9: What is the legal maximum width for a commercial vehicle operating on Texas roadways
without a permit?
A. 8 feet
B. 8 feet 6 inches
C. 9 feet
D. 10 feet
CORRECT ANSWER: B. 8 feet 6 inches
, RATIONALE: Texas Transportation Code, Chapter 621, establishes the legal width limit for vehicles and
loads operating on Texas roadways at 8 feet 6 inches, measured from the outside points of the widest
extremities, excluding safety devices.
www.txdmv.gov
Question 10: What is the legal maximum height for a commercial vehicle operating on Texas roadways
without a permit?
A. 13 feet 6 inches
B. 14 feet
C. 14 feet 6 inches
D. 15 feet
CORRECT ANSWER: B. 14 feet
RATIONALE: Texas Transportation Code, Chapter 621, establishes the legal height limit at 14 feet,
measured from the roadbed to the highest point of the vehicle or load, whichever is higher.
www.txdmv.gov
**Question 1
Thinking completed
Question 1: What is the minimum age requirement for a driver to operate a commercial motor vehicle
intrastate (within Texas only)?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
CORRECT ANSWER: B. 18 years old
RATIONALE: Texas law permits drivers who are at least 18 years of age to operate commercial motor
vehicles in intrastate commerce (within Texas borders). However, drivers must be at least 21 years old
to operate in interstate commerce or transport hazardous materials requiring placarding.
www.c1training.com
Question 2: Which Texas agency is responsible for issuing the TxDMV Number (Certificate of
Operating Authority) for intrastate motor carriers?
A. Texas Department of Public Safety (DPS)
B. Texas Department of Transportation (TxDOT)
C. Texas Department of Motor Vehicles (TxDMV)
D. Federal Motor Carrier Safety Administration (FMCSA)
CORRECT ANSWER: C. Texas Department of Motor Vehicles (TxDMV)
Questions and Answers Latest Update |
Comprehensive Texas CommerCial Driver’s
License (CDL) Study Guide, Practice Test Bank,
Verified Questions with Detailed Rationales for
Students Preparing for Commercial Vehicle
Operation and Safety Assessments
Question 1: What is the minimum age requirement for a driver to operate a commercial motor vehicle
intrastate (within Texas only)?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
CORRECT ANSWER: B. 18 years old
RATIONALE: Texas law permits drivers who are at least 18 years of age to operate commercial motor
vehicles in intrastate commerce (within Texas borders). However, drivers must be at least 21 years old
to operate in interstate commerce or transport hazardous materials requiring placarding.
www.c1training.com
Question 2: Which Texas agency is responsible for issuing the TxDMV Number (Certificate of
Operating Authority) for intrastate motor carriers?
A. Texas Department of Public Safety (DPS)
B. Texas Department of Transportation (TxDOT)
C. Texas Department of Motor Vehicles (TxDMV)
D. Federal Motor Carrier Safety Administration (FMCSA)
CORRECT ANSWER: C. Texas Department of Motor Vehicles (TxDMV)
RATIONALE: The Texas Department of Motor Vehicles (TxDMV) Motor Carrier Division is authorized by
the Texas Legislature to register motor carriers operating intrastate commercial motor vehicles and
issue the TxDMV Number, also known as the Certificate of Operating Authority.
www.txdmv.gov
Question 3: A motor carrier operating exclusively within Texas must register with TxDMV if their
vehicle has a gross vehicle weight rating exceeding:
A. 10,001 pounds
B. 18,000 pounds
C. 26,000 pounds
D. 33,000 pounds
,CORRECT ANSWER: C. 26,000 pounds
RATIONALE: Motor carriers operating intrastate commercial motor vehicles on Texas roadways must
register with TxDMV's Motor Carrier Division if they operate a vehicle or combination of vehicles with a
gross weight, registered weight, or gross-weight rating exceeding 26,000 pounds.
www.txdmv.gov
Question 4: What is the minimum liability insurance requirement for a private or for-hire motor
carrier in Texas with a gross vehicle weight rating exceeding 26,000 pounds (not transporting
hazardous materials requiring placarding)?
A. $300,000
B. $500,000
C. $1,000,000
D. $5,000,000
CORRECT ANSWER: B. $500,000
RATIONALE: Texas regulations require private or for-hire motor carriers with a gross weight, registered
weight, or gross weight rating in excess of 26,000 pounds to maintain minimum liability insurance of
$500,000, unless transporting hazardous materials requiring placarding or operating as a passenger
carrier with higher requirements.
www.txdmv.gov
Question 5: Which form must an insurance company electronically file with TxDMV to provide proof
of liability insurance for a motor carrier?
A. Form A
B. Form E
C. Form H
D. Form K
CORRECT ANSWER: B. Form E
RATIONALE: Form E is the Proof of Liability Insurance form that must be submitted electronically by the
insurance provider to TxDMV. Forms H and I relate to cargo insurance, while Form K is used for notice of
cancellation.
www.txdmv.gov
Question 6: Under Texas intrastate Hours of Service regulations, what is the maximum number of
hours a property-carrying commercial driver may drive after completing eight consecutive hours off
duty?
A. 10 hours
B. 11 hours
C. 12 hours
D. 14 hours
,CORRECT ANSWER: C. 12 hours
RATIONALE: Texas intrastate Hours of Service regulations allow drivers of commercial vehicles to drive
a maximum of 12 hours following eight consecutive hours of off-duty time, which differs from the
federal interstate limit of 11 hours after 10 consecutive hours off duty.
gomotive.com
Question 7: What is the maximum on-duty limit for Texas intrastate commercial drivers within a
consecutive period before requiring a rest break?
A. 14 hours
B. 15 hours
C. 16 hours
D. 70 hours in 7 days
CORRECT ANSWER: D. 70 hours in 7 days
RATIONALE: Under Texas intrastate regulations, commercial drivers can be on duty for up to 70 hours
over a consecutive seven-day period. After reaching this limit, drivers must take 34 consecutive hours
off duty to reset their cycle.
www.queenanlaw.com
Question 8: Which of the following vehicles is EXEMPT from requiring a TxDMV Number for intrastate
operations in Texas?
A. A vehicle designed to transport 16 passengers including the driver
B. A farm vehicle with a gross weight rating of 50,000 pounds
C. A vehicle transporting hazardous materials requiring placarding
D. A vehicle operated by a governmental entity
CORRECT ANSWER: D. A vehicle operated by a governmental entity
RATIONALE: Vehicles operated by governmental entities are explicitly exempt from TxDMV motor
carrier registration requirements. Vehicles transporting 15+ passengers, farm vehicles over 48,000
pounds, and placarded hazardous materials carriers all require registration.
www.txdmv.gov
Question 9: What is the legal maximum width for a commercial vehicle operating on Texas roadways
without a permit?
A. 8 feet
B. 8 feet 6 inches
C. 9 feet
D. 10 feet
CORRECT ANSWER: B. 8 feet 6 inches
, RATIONALE: Texas Transportation Code, Chapter 621, establishes the legal width limit for vehicles and
loads operating on Texas roadways at 8 feet 6 inches, measured from the outside points of the widest
extremities, excluding safety devices.
www.txdmv.gov
Question 10: What is the legal maximum height for a commercial vehicle operating on Texas roadways
without a permit?
A. 13 feet 6 inches
B. 14 feet
C. 14 feet 6 inches
D. 15 feet
CORRECT ANSWER: B. 14 feet
RATIONALE: Texas Transportation Code, Chapter 621, establishes the legal height limit at 14 feet,
measured from the roadbed to the highest point of the vehicle or load, whichever is higher.
www.txdmv.gov
**Question 1
Thinking completed
Question 1: What is the minimum age requirement for a driver to operate a commercial motor vehicle
intrastate (within Texas only)?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
CORRECT ANSWER: B. 18 years old
RATIONALE: Texas law permits drivers who are at least 18 years of age to operate commercial motor
vehicles in intrastate commerce (within Texas borders). However, drivers must be at least 21 years old
to operate in interstate commerce or transport hazardous materials requiring placarding.
www.c1training.com
Question 2: Which Texas agency is responsible for issuing the TxDMV Number (Certificate of
Operating Authority) for intrastate motor carriers?
A. Texas Department of Public Safety (DPS)
B. Texas Department of Transportation (TxDOT)
C. Texas Department of Motor Vehicles (TxDMV)
D. Federal Motor Carrier Safety Administration (FMCSA)
CORRECT ANSWER: C. Texas Department of Motor Vehicles (TxDMV)
