Construction of the Shadong section of the Shadong Shuzi Line in Dianbai District, Maoming has started on December 1, 2022. According to relevant public information inquiries, as of December 19, 2022, starting from December 1, 2022, nucleic acid tests will no longer be required nationwide for community residents and passengers traveling across regions via road, waterway passenger transport, buses, and taxis (online ride-hailing) Negative certificates and health codes are required to cancel landing inspections in conjunction with the local joint prevention and control mechanism. Canceling nucleic acid testing and mandatory cabin isolation, and resuming school and work.