Door-to-door is a canvassing technique that is generally used for sales, marketing, advertising, or campaigning, in which the person or persons walk from the door of one house to the door of another, trying to sell or advertise a product or service to the general public or gather information.
Door-to-door transport is a service in which an automotive transport company picks up and delivers your vehicle as close to the specified locations as possible.
Door-to-door transport also means that once your vehicle is loaded onto a truck, it will stay on that same truck until it is delivered.