The Golden Arches replaced McDonald's Speedee mascot as the brand's main visual identity in the early 1960s.
Speedee had represented the restaurant's fast service since the late 1940s. As McDonald's expanded, the company increasingly needed a simple architectural and graphic symbol that could be recognized from roads and signs. The two yellow arches served that purpose.
The arches originated in the restaurant architecture developed for McDonald's locations in the 1950s. They were later combined into the stylized letter M that became the corporate logo. This transition shifted the brand from a character-led identity toward a highly recognizable symbol.
Speedee did not disappear from every historical reference at once, and the arches were used in several forms before the familiar modern mark settled in. The Golden Arches are therefore both an architectural idea and a logo, rather than merely a letter drawn in a typeface.