Two-time authentication and security check are required at the railway Zhongshan Station for all passengers bound for Beijing starting February 27.

The trains subject to two-time security check are G338 that departs at 10:40 am and D924 that departs at 7:36 pm. Relevant passengers should undergo two-time authentication and security check before entering the special waiting areas.

To avoid delays, Beijing-bound passengers should arrive at least one hour earlier for two-time authentication and security check.