Traffic Law and Enforcement Flashcards
7 cards from real Law Enforcement practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Traffic Law and Enforcement flashcards as text
During a traffic stop, when may an officer legally order a driver to step out of the vehicle?
Answer: At any time during a lawful stop
Pennsylvania v. Mimms allows officers to order drivers out of a vehicle during any lawful traffic stop for safety.
What is the legal standard required to initiate a traffic stop?
Answer: Reasonable suspicion of a violation
Reasonable suspicion of a traffic or criminal violation justifies a stop under Terry and Whren.
Under the implied consent law, what is the typical consequence of refusing a chemical test for DUI?
Answer: Automatic license suspension
Implied consent laws impose automatic license suspension for refusing a lawful chemical test.
What does the per se BAC limit of 0.08% mean for adult drivers in the US?
Answer: Driving is illegal regardless of observable impairment
At or above 0.08% BAC, a driver is legally intoxicated per se, requiring no additional proof of impairment.
A driver is stopped for speeding and the officer smells marijuana. What does this odor most likely establish?
Answer: Probable cause to search the vehicle
The plain smell of contraband can provide probable cause to search a vehicle under the automobile exception.
What is the primary purpose of the Standardized Field Sobriety Test (SFST) battery?
Answer: To establish probable cause for DUI arrest
SFSTs help establish probable cause for a DUI arrest by detecting impairment indicators.
What is the three-test NHTSA-validated SFST battery?
Answer: Walk-and-turn, one-leg stand, horizontal gaze nystagmus
The NHTSA-standardized battery consists of HGN, walk-and-turn, and one-leg stand.