Teachers and students from Hot Pittayakhom school visit M.R.T. Chaloem Ratchamongkhon Line 10 Jan. 60 Teachers and students from Hot Pittayakhom school visit M.R.T. Chaloem Ratchamongkhon Line          Mass Rapid Transit Authority of Thailand (MRTA) greeted 170 teachers and students from Hot Pittayakhom school, Chiang Mai province visiting and riding M.R.T. Chaloem Ratchamongkhon Line from Bang Sue station to Si Lom station on Tuesday 10th January 2017 where Bangkok Expressway and Metro PLC’s officers were lecterers.