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Texas driving lesson · Additional Safety & Traffic Stops

Key terms A to L

A 3-minute lesson from the Texas course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
3 minutes
Course unit
Additional Safety & Traffic Stops
Checkpoint questions
3
Source pages
77, 78, 79

The handbook's glossary defines terms the written test uses in its questions. Knowing these definitions exactly helps you decode tricky wording, especially the legal terms for losing a license and the driving concepts behind the rules.

Blind spot

An area your rearview mirrors cannot show.

Handbook p. 77 ↗

Braking distance

The distance a vehicle travels from the time the brakes are applied until it stops.

Handbook p. 77 ↗

Cancellation

Withdrawal of a driver license or privilege until the driver is qualified or eligible.

Handbook p. 77 ↗

Denial

Withholding a license or privilege because the person is ineligible; a license may be issued once requirements are met.

Handbook p. 78 ↗

Controlled-access highway

A highway where vehicles can enter and exit only at interchanges.

Handbook p. 77 ↗

Crossbuck

Large white X-shaped sign located before a railroad crossing.

Handbook p. 77 ↗

Commercial motor vehicle

Includes a vehicle with GVWR or GCWR of 26,001+ lbs, one designed to carry 16+ passengers including the driver, or one hauling placarded hazardous materials.

Handbook p. 77 ↗

Delayed green light

One side of the intersection has a green light while the light for oncoming traffic stays red.

Handbook p. 78 ↗

Deceleration lane

An expressway lane used to slow your vehicle without blocking vehicles behind you.

Handbook p. 78 ↗

Acceleration lane

A lane that lets drivers entering a highway speed up to the speed of traffic.

Handbook p. 77 ↗

Graduated driver license program

Requires young drivers to progress through licensing stages with restrictions on accompanying drivers, driving times, and passengers.

Handbook p. 78 ↗

Light truck

A truck with a manufacturer's rated carrying capacity of not more than 2,000 lbs, such as a pickup, panel delivery or carry-all truck.

Handbook p. 79 ↗

Head restraints

Padded devices or air bags on the backs of front seats that help reduce whiplash in a side or rear impact.

Handbook p. 79 ↗

Put it into practice

A test question asks what happens when your license is "cancelled." Cancellation isn't a punishment for a set time; it withdraws your license until you are qualified or eligible again, as when parental consent is withdrawn.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

In the handbook's glossary, a light truck has a rated carrying capacity of not more than how many pounds?
  1. 1,000 lbs
  2. 2,000 lbs
  3. 5,000 lbs
  4. 10,000 lbs

Answer: 2,000 lbs

A light truck is a truck with a manufacturer's rated carrying capacity of not more than 2,000 lbs.

Handbook p. 79 ↗
What does the glossary call a drowsy or trance-like condition caused by monotony and concentrating on the road ahead?
  1. Tunnel vision
  2. Speed smear
  3. Highway hypnosis
  4. Night blindness

Answer: Highway hypnosis

Highway hypnosis is a drowsy or trance-like condition caused by concentration on the road ahead and monotony of driving.

Handbook p. 79 ↗
According to the glossary, what is hydroplaning?
  1. A tire riding up on water and losing road contact
  2. A tire suddenly losing its air pressure
  3. The rear tires losing traction and spinning
  4. The brakes overheating on a long downgrade

Answer: A tire riding up on water and losing road contact

Hydroplaning occurs when a tire patch loses contact with the road by rising up on top of water.

Handbook p. 79 ↗
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