A lot of big-box retail chains (like Walmart) have mobility scooters to help folks like your mother. Mandating that open, pedestrian friendly spaces have some o

A lot of big-box retail chains (like Walmart) have mobility scooters to help folks like your mother. Mandating that open, pedestrian friendly spaces have some of these available should be pretty easy. There are also disabilities that are exacerbated by driving rather than aiding. Legally blind folks can walk but have a much harder time driving.