Managed by The Royal Railway, the service runs between the capital Phnom Penh and Sihanoukville, the southwestern seaport and resort town.

 

The 270km journey takes eight hours and costs just US$6 ($8.20) each way. That's as cheap, if not cheaper, than most bus services. It's also considerably slower than driving, though it means you can avoid the notorious National Highway 4. 

 

For now, there is one train available three days a week (Friday, Saturday and Sunday).