Increased traffic due to the ever-popular Nagaoka Fireworks resulted in the roadside station parking reaching its maximum capacity, leading to the station master expressing his displeasure.
Fireworks festivals (Hanabi) are significant in Japanese culture, attracting thousands of spectators and causing heavy traffic in the surrounding areas. Many people care about these traditions and the potential inconvenience caused by overflowing crowds. Manageability of such events and crowd control is a focus of social value.
Similarly, in the US or EU, popular annual events such as the Macy's Thanksgiving Day Parade or Carnival of Venice often cause traffic congestion. Effective crowd and traffic management are crucial to minimizing inconvenience while allowing people to enjoy the event.