TCOLE Traffic Law and Enforcement 2 — Questions and Answers
Question 1: Under Texas Transportation Code, what is the minimum age for a Class A commercial driver's license for interstate commerce?
- 18 years old
- 21 years old (Correct answer)
- 19 years old
- 25 years old
Correct answer: 21 years old
Federal regulations require drivers to be at least 21 years old to operate a commercial motor vehicle in interstate commerce.
Question 2: A Texas officer stops a vehicle for a defective tail lamp at night. Under Transportation Code, how many functioning tail lamps are required?
- One (Correct answer)
- Two
- Three
- Four
Correct answer: One
Texas Transportation Code §547.322 requires at least one tail lamp that emits red light visible from 1,000 feet to the rear.
Question 3: When approaching a stationary emergency vehicle with lights activated on a divided highway, Texas law requires drivers to:
- Stop completely until the vehicle moves
- Move over one lane OR slow to 20 mph below the speed limit (Correct answer)
- Flash headlights and proceed
- Stop and wait for officer direction
Correct answer: Move over one lane OR slow to 20 mph below the speed limit
Texas Move Over Law requires vacating the closest lane if safe, or if unable to change lanes, reducing speed to 20 mph below the posted limit.
Question 4: Under Texas law, which blood alcohol concentration (BAC) level triggers a DWI arrest for a commercial driver?
- 0.10
- 0.08
- 0.04 (Correct answer)
- 0.02
Correct answer: 0.04
Commercial drivers are held to a stricter standard; a BAC of 0.04 or greater while operating a commercial vehicle constitutes DWI in Texas.
Question 5: A Texas officer observes a driver making a U-turn in a business district. Under the Transportation Code, this is generally:
- Always prohibited in business districts
- Permitted unless a sign prohibits it (Correct answer)
- Permitted only between 6 AM and 10 PM
- Prohibited without a traffic signal present
Correct answer: Permitted unless a sign prohibits it
Texas Transportation Code §545.102 allows U-turns in a business district only where permitted by an official sign; absent a prohibition, local ordinances govern.
Question 6: Under the Texas implied consent law, a driver who refuses a breath or blood test after a lawful DWI arrest will face:
- Immediate criminal charges for refusal
- Automatic 180-day license suspension for a first refusal (Correct answer)
- A $500 fine but no license action
- No consequences until conviction
Correct answer: Automatic 180-day license suspension for a first refusal
Under Transportation Code §724.035, a first-time refusal results in a 180-day administrative license suspension.
Question 7: A school bus has stopped and is displaying flashing red lights on a two-lane road. Traffic traveling in BOTH directions must:
- Slow to 15 mph and proceed with caution
- Stop and remain stopped until the red lights are no longer flashing (Correct answer)
- Yield only if children are visible
- Stop only if traveling in the same direction as the bus
Correct answer: Stop and remain stopped until the red lights are no longer flashing
Texas Transportation Code §545.066 requires all vehicles on a two-lane roadway to stop in both directions when a school bus displays flashing red signals.
TCOLE Traffic Law and Enforcement 2
Under Texas Transportation Code, what is the minimum age for a Class A commercial driver's license for interstate commerce?