The ERL KLIA Ekspres is an express airport rail link servicing the Kuala Lumpur International Airport (KLIA) in Malaysia. It runs from KL Sentral, the main railway station of Kuala Lumpur to KLIA as well as its low-cost terminal, klia2. The line is one of the two services on the Express Rail Link (ERL) system, sharing the same tracks as the KLIA Transit. The KLIA Transit stops at all stations along the line, whereas the KLIA Ekspres runs as a direct non-stop express service between KL Sentral and KLIA/klia2. The is operated by Express Rail Link Sdn. Bhd. (ERL). Unlike most railways in Malaysia, it uses standard gauge instead of metre gauge.