Why did the green leather car from Huaibei to Shanghai stop?

The bus stopped because the train was changed to a high-speed train.

July 2023 1, Huaibei to Shanghai K843 1 and other green express trains stopped. In order to increase passenger capacity and travel speed, G7294 and G7298 high-speed trains from Huaibei to Shanghai were added, so the green leather trains from Huaibei to Shanghai stopped.

High-speed railway, also known as high-speed railway, is a high-speed train which is mainly based on EMU trains and runs at normal speed. High-speed rail is characterized by high speed, safety and reliability, strong transportation capacity, low energy consumption, high transportation efficiency and good economic benefits.