TX DMV Alcohol and Drug Impairment Laws 2

Question 1

In Texas, what is the legal blood alcohol concentration (BAC) limit for commercial vehicle drivers?

Accepted Answer

0.04%

Answer

0.08%

Answer

0.02%

Answer

0.06%

Question 2

Under Texas law, what penalty applies for a first DWI offense if your BAC was 0.15% or higher?

Accepted Answer

Class A misdemeanor

Answer

Class B misdemeanor

Answer

State jail felony

Answer

Third-degree felony

Question 3

How long can a Texas judge order an ignition interlock device (IID) for a first DWI conviction?

Accepted Answer

Up to 1 year

Answer

Up to 3 months

Answer

Up to 6 months

Answer

Up to 2 years

Question 4

In Texas, a person is considered legally intoxicated when their BAC reaches:

Accepted Answer

0.08%

Answer

0.05%

Answer

0.06%

Answer

0.10%

Question 5

Which Texas law makes it illegal to drive while impaired by any substance — not just alcohol?

Accepted Answer

Driving While Intoxicated (DWI) statute

Answer

Driving Under the Influence (DUI) statute

Answer

Open Container Law

Answer

Zero Tolerance Law

Question 6

A Texas driver with a valid prescription for a controlled substance is still subject to a DWI charge if:

Accepted Answer

The drug impairs their driving

Answer

They are stopped without probable cause

Answer

They have a passenger under 15

Answer

They exceed the posted speed limit

Question 7

What is the minimum jail time for a second DWI conviction in Texas?

Accepted Answer

30 days

Answer

24 hours

Answer

90 days

Answer

180 days