As Japan's economy boomed, many of the yatai transformed into storefronts, giving rise, particularly, to several ramen chains, such as Harugiya Ramen in Tokyo and Ide Shoten in Wakayama. However, city officials grew wary of health risks posed by the traveling food stands and, ahead of the 1964 Tokyo Olympics, new regulations were created which led to a decline in yatai.
As Japan's economy prospered, many of the traditional yatai evolved into retail outlets, giving rise to well-known ramen chains like Harugiya Ramen in Tokyo and Ide Shoten in Wakayama. However, city officials became concerned about the potential health hazards posed by these mobile food vendors and, ahead of the 1964 Tokyo Olympics, new regulations were established that ultimately led to a decline in yatai.