The national train diagram for the first quarter of 2023 came into use from February 16 on. The timetable of the D2992 high speed train from Zhuhai to Guilin at railway Zhongshan Station was adjusted.

Previously, D2992 arrived at Zhongshan Station at 7:40 am and departed at 7:42 am. After the adjustment, it arrives at 7:38 am and departs at 7:40 am.