KTM Komuter Rail Replacement Service KTM1 is no longer in operation. Train services have resumed. Shuttle KTM1, also known as the KL Sentral - Sentul Free Shuttle Bus Service, is a Rail Replacement Service on the KTM Komuter Klang Valley Sector connecting KL Sentral and Sentul KTM Komuter stations with no intermediate stops since 3 February 2018… Continue reading [DEFUNCT] KTM Komuter Rail Replacement Service KTM1: KL Sentral to Sentul KTM Komuter Station by Free Shuttle Bus