Mass Rapid Transit Authority of Thailand (MRTA) as a Mass Rapid Transit (MRT) operator in Bangkok, bases on the aforementioned safety ideas in Chaloem Ratchamongkhon Line (Hua Lamphong – Bang Sue Section), Purple Line (Bang Yai – Bang Sue Section), Blue Line Extension (Hua Lamphong – Bang Khae and Bang Sue – Tha Phra Section) and the other Lines in order to provide MRT services which high efficiency and safety for people in Bangkok.