Since opened Airport Rail link, Mass Rapid Transit, and Bangkok Mass Transit System that make From opening the airport MRT line is rail link on Earth, the second line of the country and is the first rail link between the airport and rushed inside the business centre, but even this is a link to the MTR airport wing outside the city, which has a climate and environment are not the same as the BTS sky train. Make use of the airport link has encountered a problem with the difference with the other rail line to causing the problem. Whether it's the weather channel did not dump some stations, there are no escalator elevator passengers walk up and down do not have car parking facilities at the entrance of a walk-out sky train station connecting road link out terminal signs the size of bus passenger luggage bins that are not separate seats. However the problem is not in the airport station exit link because it was not originally designed which cause a problem from a design that is not suitable for the environment of the country. While not actual work and not be able to change the behavior of users in service flight Suvarnabhumi Airport.