铁路车次编号里的字母和数字是啥意思？坐过站咋办？一文了解

Group 1 - The core point of the article highlights the increase in train services during the National Day and Mid-Autumn Festival holidays, specifically mentioning the G6666 train, which has garnered attention due to its unique number combination [1] - The G6666 train operates for 12 days during the holiday period, utilizing the Fuxing intelligent train model, with a capacity of 619 passengers, departing from Zhengzhou East Station at 8:48 AM and arriving at Anyang East Station at 9:29 AM [1] Group 2 - The article explains the significance of train number prefixes, indicating different types of trains, such as G for high-speed trains, C for intercity trains, D for regular trains, Z for direct express trains, T for special express trains, and K for fast trains [2] - It details the numbering system related to train directions, where even-numbered trains are classified as "up" trains heading towards Beijing, while odd-numbered trains are "down" trains moving away from Beijing [3] Group 3 - The article provides guidance for passengers on how to avoid getting on the wrong train or missing their stop, suggesting the use of the 12306 mobile app to check ticket information and train platforms [4] - It outlines a remedy for passengers who mistakenly get off at the wrong station, allowing them to report to the train conductor or station staff to receive a free ride back on the next train without needing to exit the station or repurchase a ticket [4]