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2026 Texas Special Requirements CDL Practice Test 1
Practice mode
Question
1
of 25
QUESTION 1 / 25
All motor vehicles, trailers, semitrailers, or pole trailers manufactured after year ______ must be equipped with electrical turn signal lights.
Choose one answer below.
A
1969
✓
B
1972
✓
C
1948
✓
D
1959
✓
QUESTION 2 / 25
You just stopped your CMV on the shoulder of a road. You must immediately activate your hazard warning lights if your CMV is at least ____ inches wide or at least ____ feet long.
Choose one answer below.
A
80; 40
✓
B
30; 80
✓
C
80; 30
✓
D
40; 80
✓
QUESTION 3 / 25
When one vehicle is towing another, the connection must not be longer than ____ feet, and there must be a _____ flag attached to it.
Choose one answer below.
A
15; red
✓
B
15; white
✓
C
12 1/2; white
✓
D
15; yellow
✓
QUESTION 4 / 25
On an open road, maintain a following distance of at least ___ seconds.
Choose one answer below.
A
4
✓
B
3
✓
C
8
✓
D
5
✓
QUESTION 5 / 25
If you're towing a house trailer at night outside the city limits or on a divided highway, your vehicle must be equipped with
Choose one answer below.
A
three flares or three portable red emergency reflectors.
✓
B
two red flags.
✓
C
two flares or two portable red emergency reflectors.
✓
D
three flares and three portable red emergency reflectors.
✓
QUESTION 6 / 25
CMVs weighing _____ pounds or more with metal tires are not permitted on the highways.
Choose one answer below.
A
5,000
✓
B
1,000
✓
C
2,000
✓
D
3,000
✓
QUESTION 7 / 25
When following another vehicle, a CMV must leave
Choose one answer below.
A
a two-second following distance.
✓
B
five feet between the CMV and the vehicle in front.
✓
C
enough space for another vehicle to pass and enter the space between them safely.
✓
D
enough space to see the left outside mirror of the vehicle ahead.
✓
QUESTION 8 / 25
Surge or inertia brake systems may be used on trailers and semitrailers with gross weight of____or less.
Choose one answer below.
A
15,000 lb
✓
B
25,000 lb
✓
C
23,500 lb
✓
D
20,000 lb
✓
QUESTION 9 / 25
In bad weather, increase your following distance to
Choose one answer below.
A
8 seconds.
✓
B
5 to 6 seconds.
✓
C
5 seconds.
✓
D
6 to 8 seconds.
✓
QUESTION 10 / 25
With exception of 'cotton vehicles' and vehicles carrying cylindrically shaped bales of hay, loads transported may not exceed
Choose one answer below.
A
90 inches in width.
✓
B
102 inches in width.
✓
C
80 inches in width.
✓
D
92 inches in width.
✓
QUESTION 11 / 25
If the load you are hauling is __________ than allowed by law, you must obtain a special permit from the Texas Department of Transportation.
Choose one answer below.
A
lighter, longer, or wider
✓
B
heavier or lower
✓
C
heavier, longer, wider, or higher
✓
D
larger or shorter
✓
QUESTION 12 / 25
What type of lighting does every farm tractor and every self-propelled unit of farm equipment need to have?
Choose one answer below.
A
Two head lamps, two taillights, two white reflectors, hazard warning lights (flashers) - red to the front, and white to the rear
✓
B
One head lamp, two taillights, two green reflectors, hazard warning lights (flashers) - white or amber to the front, and red or amber to the rear
✓
C
Two head lamps, one taillight, two red reflectors, hazard warning lights (flashers) - white or amber to the front, and red or amber to the rear
✓
D
One head lamp, two taillights, two amber reflectors, hazard warning lights (flashers) - red to the front, and white to the rear
✓
QUESTION 13 / 25
Your vehicle has broken down on a highway. What is the FIRST thing you must do?
Choose one answer below.
A
Call for emergency help.
✓
B
Put out the proper flares, flags, or reflectors.
✓
C
Honk your horn.
✓
D
Inspect your vehicle.
✓
QUESTION 14 / 25
Combination vehicles that weigh more than 3,000 pounds must be able to stop within ____ feet when traveling at 20 mph.
Choose one answer below.
A
20
✓
B
40
✓
C
30
✓
D
50
✓
QUESTION 15 / 25
Every vehicle that is designed to operate at speeds of ____ mph or less requires a slow-moving vehicle emblem.
Choose one answer below.
A
40
✓
B
30
✓
C
35
✓
D
25
✓
QUESTION 16 / 25
Trailers, semitrailers, and pole trailers that weigh more than 4,500 pounds but no more than 15,000 pounds and are operated at speeds over 30 mph
Choose one answer below.
A
must have a brake on the left wheel of the rear axle.
✓
B
are not required to have brakes.
✓
C
must have a brake on the right wheel of the rear axle.
✓
D
must have brakes on both wheels of the rear axle.
✓
QUESTION 17 / 25
No combination of vehicles, other than a truck tractor-trailer combination may exceed
Choose one answer below.
A
45 feet.
✓
B
65 feet.
✓
C
59 feet.
✓
D
28-1/2 feet.
✓
QUESTION 18 / 25
Vehicles transporting ________ must use triangular reflectors instead of flares.
Choose one answer below.
A
flammable liquids or gases
✓
B
sand
✓
C
livestock
✓
D
groceries
✓
QUESTION 19 / 25
On a steep downgrade, you should
Choose one answer below.
A
shift into a higher gear.
✓
B
coast.
✓
C
shift into a lower gear.
✓
D
shift into neutral.
✓
QUESTION 20 / 25
What is the maximum weight for a single or combination vehicle including its load?
Choose one answer below.
A
80,000 pounds
✓
B
50,000 pounds
✓
C
100,000 pounds
✓
D
80,000 kilos
✓
QUESTION 21 / 25
A semitrailer or trailer may not exceed a length of ____ feet each when operated in a truck tractor, semitrailer, and trailer combination.
Choose one answer below.
A
28-1/2
✓
B
24
✓
C
28
✓
D
24-1/2
✓
QUESTION 22 / 25
If you're being tailgated, you should
Choose one answer below.
A
decrease your following distance.
✓
B
maintain the same speed.
✓
C
increase your following distance.
✓
D
tap your brakes a few times.
✓
QUESTION 23 / 25
When driving during the summer, be alert for
Choose one answer below.
A
construction areas.
✓
B
animals.
✓
C
campgrounds.
✓
D
puddles.
✓
QUESTION 24 / 25
How high can a vehicle be, including the load it is hauling?
Choose one answer below.
A
No more than 4 feet from the bottom of the load to the top of the load
✓
B
No more than 14 feet from ground to the top of the load
✓
C
No less than 24 feet from ground to the top of the load
✓
D
No more than 4 feet from ground to the top of the load
✓
QUESTION 25 / 25
Combination vehicles weighing 3,000 pounds or less must be able to stop within ____ feet when traveling 20 mph.
Choose one answer below.
A
60
✓
B
40
✓
C
30
✓
D
35
✓
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