The KTM Komuter timetable will be changed on 1 July 2015 to conform with demands and the new schedule of Intercity and ETS trains. The Rawang – Tanjung Malim service will run at 30 minute intervals from 5pm to 9pm on weekends, and at 40 minute interval at other times. The Rawang – Sungei Gadut service will run at 30 or 40 minute intervals after 8pm until the last train. Trains will still run at 15 and 30 minute intervals during peak and non-peak periods respectively. The Rawang – Sungei Gadut and Pelabuhan Klang – Batu Caves services will run at 20 minute intervals on weekends from 11am to 8pm. Trains will will run at 30 or 40 minute intervals at other times. The official press release for the schedule change can be found here.