The Suvarnabhumi Airport Rail Link and City Air Terminal makes travel from downtown to the airport, and vice versa, more convenient, faster, and more flexible. This 260km/h rail system connected with the Bangkok Skytrain and the Bangkok Subway Train, makiing train connections even easier. English speaking staff will be at hand to help you, and all you need to do is grab your ticket (you won't have to queue up anymore) and get on your train. The Smart Pass in particular can be incredibly useful for travelers who will need to head back and forth, as it can store value that can be topped up, giving you easy access to the ARL without queuing every time. You won't be dealing with the traffic when you head to downtown Bangkok or vice versa , and with no worries and comfortable travels, your journey gets even easier.