On January 1, 2022, Miss Sirithida Thammakul, Deputy Governor (Administration) of Mass Rapid Transit Authority of Thailand (MRTA), on behalf of MRTA joined a group of heads of agencies under the Ministry of Transport led by Mr. Chayatan Phromsorn, Permanent Secretary of Ministry of Transport to sign a congratulatory book to bless Their Majesties the King and Queen on the occasion of the new year at Sahathai Samakom Pavilion, the Grand Palace.