What kind of train is k?

Train k is an express passenger train.

EMU passenger train: prefix G, EMU train: prefix D, intercity EMU train: prefix C, express train: prefix T, direct express train: prefix Z, express Trains: prefix T, express trains: prefix K, ordinary passenger trains: pure numbers, temporary passenger trains: prefix L, tourist trains: prefix Y.

The difference between high-speed trains and high-speed trains

First, the train numbers are different. High-speed rail starts with G, which is the pinyin prefix of Chinese characters. Bullet train starts with D, which is the pinyin prefix of the Chinese character.

Second, the speed is different. The speed of high-speed trains is more than 300 kilometers per hour, and the speed of high-speed trains is more than 200 kilometers per hour.

Third, the railway tracks are different. The rails used by high-speed rail are special rails, which is why it is called high-speed rail. The rails used by the trains can be special rails for high-speed rail, or modified ordinary rails with specific compatibility.