What name did McDonald’s use for its restaurant operating system introduced in 1948?

McDonald’s called its restaurant operating system introduced in 1948 the Speedee Service System.

Richard and Maurice McDonald developed the system when they redesigned their San Bernardino restaurant around speed, consistency, and efficiency. They reduced the menu, prepared food in a standardized way, and moved customers from carhop service to counter ordering.

The system helped establish principles that later defined modern fast food: specialized tasks, repeatable procedures, limited choices, and predictable service times. Its name also shaped early McDonald’s branding, especially through the Speedee mascot and restaurant signs.

The Speedee Service System should not be confused with the company’s later franchise or corporate structures. It was primarily an operational and service concept. Ray Kroc later expanded McDonald’s nationally, but the system itself originated with the McDonald brothers before Kroc’s involvement.