What does the train number (number) mean?

Z —— Direct express train (abbreviated as: direct express, pronounced as: direct)

T —— Special express train (abbreviated as: express, pronounced as: special) (cross-bureau: 1 ~ 399, 401 ~ 999 within the management)

K —— Express train (abbreviation: express, pronounced as: fast)

N —— Express train within the management of the Railway Bureau (abbreviation: express train) Fast, pronounced as: within)

X —— Direct express, luggage and parcel train (pronounced as: 行)

Temporary train: (inter-bureau: 1～499, within management 501～ 999)

L - Temporary passenger train (abbreviation: Linke, pronounced: Lin)

A - Temporary additional trains on demand (abbreviation: Temporary additional trains, Linke) Wailing, pronounced as: A)

Y —— Temporary tourist train (referred to as: tourist train, pronounced as: 游)

Without letters:

Abbreviated as ordinary express: (read the train number directly)

1001～1999——Direct ordinary express (across three stations or more)

2001～2999——Direct ordinary express (across two stations) Bureau)

4001～5999——Ordinary passenger express train under the management of the Railway Bureau

Abbreviation: ordinary passenger train (slow)

6001～8999——Ordinary passenger train ( Slow) train

57XXX——road train, rated as ordinary passenger.

Added after the sixth mention:

D——New speed train (pronounced: moving)