CHP DUI Detection and Enforcement

Question 1

In California, the legal blood alcohol concentration (BAC) limit for non-commercial drivers aged 21 and older is:

Accepted Answer

0.08%

Answer

California Vehicle Code 23152 sets the legal BAC limit at 0.08% for drivers 21 and older.

Question 2

Which of the following is a Standard Field Sobriety Test (SFST) approved by the National Highway Traffic Safety Administration (NHTSA)?

Accepted Answer

Horizontal Gaze Nystagmus (HGN)

Answer

NHTSA has approved three SFSTs: Horizontal Gaze Nystagmus, Walk-and-Turn, and One-Leg Stand.

Question 3

Under California's implied consent law, a driver lawfully arrested for DUI who refuses a chemical test will face:

Accepted Answer

A one-year driver's license suspension for a first offense

Answer

California Vehicle Code 23612 imposes a one-year administrative suspension for first-time chemical test refusal after a lawful DUI arrest.

Question 4

During the Walk-and-Turn (WAT) test, how many steps must the suspect take along the line in each direction?

Accepted Answer

9 steps

Answer

The standardized WAT test requires nine heel-to-toe steps in each direction along a real or imaginary line.

Question 5

The BAC limit for a driver under 21 years of age in California is:

Accepted Answer

0.01%

Answer

California has a zero-tolerance policy for minors; Vehicle Code 23136 sets the limit at 0.01% BAC.

(CHP) California Highway Patrol Practice Test