To: The List Driving and PD is a very touchy subject, involving as it does a PWP's ability to get around and his independence. General rules of thumb: A PWP or any chronic disease patient is often the worst judge of his symptoms; When your family - won't get in the car when you're driving, it's time to stop driving; Yes, you lose your independence, but are you prepared to have others pay the price of injury, maiming, death or property damage as the cost of that independence?