Safe Driving Practices
What to master
Safety questions reward following distance, scanning, and impairment awareness. Use the four-second rule in good conditions and add time for rain, night, or a heavy load. Pennsylvania's implied-consent law means a licensed driver agrees to chemical testing; refusal carries license suspension. Know the zero-tolerance rule for drivers under 21 (any alcohol is a violation) and that a .08% BAC is the adult legal limit. Understand distracted driving - texting while driving is prohibited - and drowsy driving as a real impairment. Learn the Smith system idea of aiming high in steering, keeping your eyes moving, and leaving an escape route.
Traps the test sets
- "Safe following distance" answers that cite two seconds - too close for the exam's preferred answer.
- Questions implying one drink is fine to drive - always wrong.
- Fatigue questions where the correct answer is stop and rest, not "open a window" or "turn up the radio."
- Headlight rules: use low beams in fog and when following; high beams only when no oncoming traffic.
Rule of thumb
If a question asks what to do when you feel tired, impaired, or distracted, the answer is almost always to stop, rest, or remove the distraction - never to push through.
Worked example
You are following a truck at 55 mph in light rain. Four seconds is the minimum; add at least one more second for the wet road, so aim for five seconds of gap.