This story begins back in the days of car-toppers and bench seats. Remember those? Long before lowered floor minivans and ramp equipped SUVs became the norm—actually, long before minivans and SUVs were even invented—these were a few of the things disabled drivers considered when looking at vehicles to get them on the road...

Sitting in front of the home computer screen, Army veteran Tim Kelly glides through Google Earth image views and bookmarks the National Parks, historical places of interest, landmarks, intersections, and even visible handicap parking spaces…