Seeing hazards: Texas CDL practice questions

Part of the General Knowledge test. We have 8 checked questions on this topic. Here are the key rules, and two to try.

Key facts

Part of	the General Knowledge test (80% to pass)	DL-7C p. iv
Handbook section	§2.8 Seeing hazards	DL-7C p. 2-19
Questions in CDL Mile's bank	8	CDL Mile, checked against DL-7C

§ 2.8.2p. 2-19
Objects that look harmless, like boxes or sacks, may hold heavy material that can damage your truck. Watch for debris early so you can steer clear of it without sudden, unsafe moves.
Hazardous Roads
§ 2.8.3p. 2-20
When only the front or rear of a vehicle shows and you can't see the driver, that driver can't see you either. Expect the vehicle to move into your lane and be prepared to stop.
Drivers Who Are Hazards

General Knowledge · Seeing hazards

Why does the handbook say you should keep a careful eye on rental trucks?

Tap an answer to see the explanation and the handbook page.

General Knowledge · Seeing hazards

Which of these does the handbook list as a clue that a driver may be impaired by alcohol, drugs, illness or sleepiness?

Tap an answer to see the explanation and the handbook page.

Texas Commercial Motor Vehicle Drivers Handbook (DL-7C), revised March 2026, Texas Department of Public Safety. Page references are to its printed page numbers. CDL Mile is independent and not affiliated with Texas DPS.

Updated for the March 2026 Texas CDL handbook (DL-7C). Last checked November 4, 2026.

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