and double-tracking of the Rawang to Ipoh stretch of the West Coast Line. Its inaugural run was celebrated with an opening ceremony at Kuala Lumpur railway station. Initially, services stretched southwards to Seremban, but the KL Sentral - Seremban sector was taken out of service in October 2012. At launch, there were three service types—Platinum, Gold and Silver. On the fastest Platinum service, the trip was covered in two hours, one hour faster than by car. Gold and silver services had more stops, hence taking up to 2 hours 30 minutes. The route was served solely by 5 Class 91 electric trains. Second phase The service was extended from Ipoh to Padang Besar via Butterworth, the mainland town opposite George Town, with the introduction of the ETS Transit on 10 July 2015, with stops at 24 stations. At the inception of service, only one train service in both directions was introduced. This service was given the name ETS Transit. On the following day on 11 July 2015, a new service called the ETS Ekspres between KL Sentral and Padang Besar, via Butterworth was introduced, which only stops at 15 stations. Again, only one service for both directions was introduced although, subsequently, on 1 September 2015, an additional service between KL Sentral and was introduced. New rolling stock, the Class 93 trains, were introduced in conjunction with the extended service. Third phase On 10 October 2015, the ETS service was extended southwards from KL Sentral to with the introduction of a new service between and . The extension of the KTM ETS service to utilizes the electrified double-track between and which was completed in 2014. This extension of service also saw the ETS service returning to after being discontinued in 2012. Also on 10 October 2015, a new service was launched between and in addition to existing services but this service was subsequently reduced in frequency and ultimately terminated, with the introduction of the new KTM Komuter Northern Sector. There were constant revisions of timetables and services as more trains became available, with more train service being added for each of the route segments. The Platinum, Gold, and Silver services were also reintroduced while the terms "ETS Ekspres" and "ETS Transit" were no longer used. Rolling stock First Generation Five KTM Class 91 train sets, each comprising six cars, were purchased by KTM for $67 million (USD). The train sets were