Traffic Law and Vehicle Code Flashcards

A state trooper observes a vehicle weaving between lanes. What is the minimum legal standard to initiate a traffic stop?

Answer: Reasonable suspicion of a traffic violation or impairment

A traffic stop requires only reasonable suspicion that a traffic law has been violated.

What is the implied consent law as it relates to DUI enforcement?

Answer: By operating a vehicle on public roads, drivers consent to chemical testing if arrested for DUI

Implied consent means drivers agree to submit to blood, breath, or urine testing when lawfully arrested for DUI.

During a DUI checkpoint, what constitutional requirement must be met?

Answer: The checkpoint must be established according to neutral, predetermined guidelines

DUI checkpoints must follow neutral criteria to prevent arbitrary stops, as established in Michigan v. Sitz.

What is the legal blood alcohol concentration limit for commercial vehicle operators in most states?

Answer: 0.04%

Commercial drivers are held to a stricter BAC limit of 0.04%, half the standard limit for non-commercial drivers.

A trooper encounters a driver operating a vehicle with a suspended license. What is the typical enforcement action?

Answer: Issue a citation and potentially arrest the driver, then impound the vehicle

Driving on a suspended license is a criminal offense that typically results in citation, possible arrest, and vehicle impoundment.

What is the 'move over' law that most states have enacted?

Answer: Drivers must change lanes or slow down when approaching stopped emergency vehicles with flashing lights

Move over laws require motorists to change lanes away from or reduce speed near stopped emergency vehicles.