Mass Rapid Transit Authority of Thailand (MRTA) greeted a total of 30 Prime Minister Operation Center (PMOC) officers visiting MRTA Purple Line Project Bang Yai-Bang Sue on Monday 16th May 2016 from 02.00 PM to 03.30 PM at Tao Poon Station and Khlong Bang Phai depot. The visit was held in order to acknowledge the progress of the project.