Which of the following is a sign that someone is driving under the influence?

Prepare for the Idaho I Drive Safely DMV Test. Study with interactive questions and detailed explanations. Boost your confidence for the exam!

When evaluating signs of someone driving under the influence, erratic movements are a significant indicator. This behavior can manifest as swerving, abrupt lane changes, or inconsistent steering, which often results from impaired judgment and lack of coordination caused by alcohol or drugs. A driver showing erratic movements may struggle to maintain control of the vehicle, putting themselves and others at risk.

In contrast, consistent speed, mild acceleration, and full stopping at red lights typically reflect responsible driving behavior, as they demonstrate adherence to traffic laws and norms. These actions are generally associated with sober driving, as a driver under the influence may be less capable of maintaining such steady control or compliance with traffic signals. Recognizing erratic movements as a key sign of impaired driving is crucial for ensuring road safety.

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