Mid-July 2009 , the majority of stations have been equipped with this service and most recently as of January 2018 .
They also provide the line number and the destination of train travel in addition to the next train arrival time system .
Since mid-July 2009 , the majority of stations have been equipped with this service and most recently as of January 2018 , they also provide the line number and the destination of train travel in addition to the next train arrival time system .