Passengers prepare to board a train at Nanjing Railway Station in Nanjing, east China's Jiangsu Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Photo by Su Yang/Xinhua)

Passengers wait at the departure hall of Hongqiao Railway Station in east China's Shanghai, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Wang Xiang)

Passengers are seen at Hankou Railway Station in Wuhan, central China's Hubei Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Wu Zhizun)

Passengers prepare to board a train at Hongqiao Railway Station in east China's Shanghai, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Wang Xiang)

Passengers wait at the departure hall of Guiyang North Railway Station in Guiyang, southwest China's Guizhou Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Liu Xu)

Vehicles run on a city expressway in Guangzhou, south China's Guangdong Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Lu Hanxin)

Vehicles run on an expressway in Wuxi, east China's Jiangsu Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Photo by Huan Yueliang/Xinhua)

Passengers prepare to board a train at Hankou Railway Station in Wuhan, central China's Hubei Province, May 1, 2025. The transportation network of the country witnessed a travel peak on the first day of the May Day holiday. (Xinhua/Wu Zhizun)