Special Tsubame services will be available on the day of firework festivals.

photo by Military Health System

Special Tsubame services on Kyushu Shinkansen will be available on the day of firework festivals, on August 5 for Chikugogawa Firework Festival (第360回 筑後川花火大会) and August 16 for Sendaigawa Firework festival (令和元年記念 第61回川内川花火大会).

For details, refer the article in Japanese.