Patent US 5,075,853

In accordance with the present invention, there is provided an automatic guided vehicle (AGV) with a movable chassis and information processor mounted on the chassis for controlling AGV operation. A data storage mechanism in the form of a replaceable PROM is connected to the information processor for storing data representative of AGV operating instructions, such as safety procedure instructions, a facilities map, traffic control instructions, load handling instructions, diagnostic procedure instructions, speed control instructions and the like.