There is no birthday after which driving must stop. Plenty of drivers in their late 80s are safer than distracted 25-year-olds. What matters is function, not age - and the warning signs below are what clinicians, driving-rehabilitation specialists, and state licensing agencies actually look for.

Warning signs that driving is becoming unsafe

Behind the wheel

  • Two or more near-misses or minor crashes in the past year
  • New dents or scrapes on the car, mailbox, or garage
  • Getting lost on familiar routes
  • Slow or missed responses at intersections; running stop signs unintentionally
  • Other drivers honking frequently
  • Trouble judging gaps in traffic or turning across oncoming lanes

Off the road

  • Trouble seeing at dusk or night, or sensitivity to oncoming headlights
  • Difficulty turning the head to check blind spots
  • Medications with driving warnings (sedatives, some blood-pressure and diabetes drugs)
  • Diagnosed conditions affecting cognition, vision, or reaction time
  • Family members avoiding riding along - a signal worth naming out loud

Start with a checkup, not an ultimatum

Many "driving problems" are treatable: cataract surgery, medication adjustments, a new glasses prescription, or a physical therapy plan for neck mobility. A geriatrician or family doctor can review medications and conditions; some states accept physician referrals for a formal driving evaluation. A certified driving rehabilitation specialist (CDRS) is the gold standard for an objective behind-the-wheel assessment - search the Association for Driver Rehabilitation Specialists directory.

How to have the conversation

  • Lead with safety data, not feelings. "Your doctor is concerned about night driving" lands better than "you're getting worse."
  • Involve a trusted third party. A doctor's or clergy member's opinion often carries weight a child's does not.
  • Plan the replacement transportation first. The conversation is really about independence. Line up rides, delivery, and senior transit options before the talk.
  • Agree on a trial, not a ban. "No night or highway driving for three months, then we reassess" is easier to accept than "never again."

Living alone, safely, in the meantime

For many families, the driving question arrives alongside a broader one: what happens if Mom or Dad falls or needs help when alone? This is where a medical alert system with fall detection earns its keep - a wearable button that calls a monitoring center automatically if a fall is detected and the wearer cannot respond. Compare the two most popular services in our Bay Alarm Medical vs. Medical Guardian comparison, and see how consumer devices stack up in Apple Watch vs. a medical alert system.

When it really is time to stop

If a driving evaluation says stop, or a doctor has documented conditions that make driving unsafe, take the keys with compassion and a plan: surrender the license voluntarily (some states offer a free state ID card in exchange), remove the car gradually rather than overnight, and fill the calendar - isolation, not lost mobility, is the biggest health risk after driving ends.