Driving With Dementia: When It's Time to Stop

Driving is often the hardest conversation in dementia caregiving. It is almost never about driving itself — it is about independence, identity, adulthood, and what the person being asked has left. For many older adults, the car is the thing between them and being trapped. Taking it away is interpreted accordingly.

At the same time, driving requires cognitive abilities that are specifically eroded by dementia: divided attention, fast judgment, visuospatial processing, and working memory. A person with moderate dementia driving on the highway represents a serious public safety risk, including to other families.

This article is a practical guide for families navigating that territory. It covers when to start watching, how to assess safety, and how to have the conversation when the answer is no more driving.

When to start paying attention

A diagnosis of mild cognitive impairment or early dementia does not, by itself, require stopping driving. Many people with early-stage cognitive changes continue to drive safely for years. What matters is function and safety, not diagnosis.

Warning signs worth tracking, in rough order of concern:

• Difficulty with navigation — getting lost, missing turns, trouble on unfamiliar routes
• Slower reaction times — a family member in the car notices late braking or delayed responses
• Close calls or small incidents — clipped mirrors, minor fender-benders, scraped paint on the garage
• New traffic violations — a first-ever ticket in someone who has driven cleanly for decades
• Confusion about which pedal is which, or which direction to turn
• Stopping at green lights, or running red lights
• Driving slower than the flow of traffic on roads they've used for years
• Family members feeling unsafe in the car
• The person avoiding certain roads, left turns, or night driving — this is often a sign they know something is changing
• Insurance premiums going up, or the insurer requesting a driving evaluation

One event is not a trigger to take the keys. A pattern is.

Formal driving assessments

When there are concerns but the picture is unclear, a formal driving evaluation by a specialist is the best single tool. Several options exist:

• Occupational therapists trained in driving assessment (often labeled "driver rehabilitation specialists"). They conduct office-based cognitive and visual testing and an on-road driving evaluation.
• State Department of Motor Vehicles medical review programs. Many states will formally evaluate a driver at the request of a physician, family member, or the driver themselves.
• Hospital-based driving programs at some rehabilitation centers.

A good driving evaluation produces one of three outcomes: safe to continue driving, safe with restrictions (daytime only, familiar roads only), or not safe. Families find this enormously useful because the recommendation comes from an outside professional, not from them.

The Alzheimer's Association and the Association for Driver Rehabilitation Specialists (ADED) maintain directories of qualified evaluators.

The signs that mean stopping now, not later

Some situations move the conversation from "let's evaluate" to "stop driving today":

• A recent at-fault accident.
• Getting lost in a familiar area and being unable to find the way home.
• Unsafe driving observed by family members repeatedly — wrong-way driving, running lights or stop signs, severe lane drift.
• A clinician's direct recommendation to stop.
• Impaired judgment or rapid progression of cognitive symptoms.

In these situations, the right move is to take keys, deactivate the car, or make it otherwise unavailable while the formal conversation happens. The risk tolerance on "well, let's see how next week goes" is too high.

How to have the conversation

A few things that help:

• Use observations, not diagnoses. "I noticed you got lost on the way home from the grocery store twice last month" is better than "You have dementia and shouldn't drive."
• Involve the primary care physician. A doctor's recommendation often lands better than a spouse's or child's. Ask the physician to bring it up at an appointment.
• Frame it as a driving evaluation, not a final verdict. "Let's get this evaluated" is lower-stakes than "You can't drive anymore."
• Offer alternatives in the same conversation. Access to rideshare, prearranged rides from family, delivery services. Isolation is the biggest reason people resist giving up the keys; the real fear is the life that comes after.
• Expect the first conversation to go badly. Repeat conversations are how these things land. Short, low-pressure, specific, non-confrontational, followed by follow-through.

When the person refuses

Common, and understandably so. A few approaches when the person will not agree to stop:

• Physician-led conversation. Primary care doctors have specific language and experience here. The recommendation coming from a clinician is harder to refuse than from a family member.
• DMV medical review. Many states allow anonymous or clinician-initiated reports. The DMV then conducts its own evaluation. This removes the decision from the family entirely.
• Insurance company intervention. Some insurers will require a medical or driving evaluation to continue coverage.
• Making the car unavailable. Removing the car, disabling it, changing keys. This is a last resort and sometimes necessary.
• Professional driving evaluation. Getting a formal, objective assessment — and having the evaluator deliver the verdict directly to the driver.

This territory is genuinely hard, and families sometimes spend months finding the right approach. A caregiver support group or the Alzheimer's Association helpline (1-800-272-3900) can help troubleshoot a specific situation.

After driving stops

The hardest part comes after the keys go. Transportation becomes a daily logistical concern, and isolation is the biggest predictor of accelerated cognitive and functional decline. A few things that help:

• Ride-sharing apps, set up on the person's phone with a family member's payment attached.
• Volunteer driver programs through local senior centers or religious organizations.
• Family driving rotations for regular appointments.
• Home delivery for groceries, medications, and supplies.
• Senior transportation services — many cities have dedicated programs, often free or low-cost.
• Activity programs that include transportation — senior centers, adult day programs, community centers.

Replacing the life the car enabled is more important than replacing the car. Without the activities and social connections that driving provided, decline often accelerates.

For caregivers processing this

Taking a parent's or spouse's keys is a form of grief. It is an explicit step toward dependency, and families often feel more guilt about it than they expect. A few things worth knowing:

• Stopping driving has not been shown to reduce overall quality of life in older adults when transportation alternatives are in place. The loss is real, and it is survivable when the broader life is maintained.
• It is almost always safer for everyone — including the driver — than continued unsafe driving.
• Many families, in hindsight, say they waited too long.

Related reading

• Stages of Dementia: A Family Guide
• How to Tell if Your Parent Has Dementia
• 10 Warning Signs of Alzheimer's Disease
• Sundowning: Why It Happens and How to Manage It

References

• Alzheimer's Association. Dementia and Driving. alz.org.
• Association for Driver Rehabilitation Specialists. Finding a Driver Rehabilitation Specialist. aded.net.
• Iverson DJ, Gronseth GS, Reger MA, et al. Practice parameter update: evaluation and management of driving risk in dementia. Neurology. 2010;74(16):1316–1324.

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Disclosure: Dr. Shimada is the founder of Tokei Health. This article is informational and is not a substitute for individual medical advice from your own clinician.