(SA City Line)
This line provides service between Phyathai Station to the end terminal at Suvarnabhumi Airport within 30 minutes, which stops at 6 stations along the way such as Rajprarop Station, Makkasan Station, Ramkhamhaeng Station, Hua Mark Station, Thab Chang Station, and Lad Krabang Station. It covers a distance of 28 kilometers.

SA City Line has 5 trains, each train has 3 passenger cars with the capacity of 745 passengers per train for the 24-hour service.

 
Furthermore, the station also
has other services such as Flight Information,
Car Park with capacity of 300 cars and 100
motorcycles, Bus Parking Area, Taxi Stand,
and passengers can also interchange to BTS
(Petchaburi Station).
     
 
     
Thab Chang Station
This Station is located north of Ban Thab Chang Train Station close to Eastern Outer Ring Road and Bangkok-Chonburi Motor Way.
  Hua Mark Station
This station is located north of Srinakarin Road and close to Pattanakarn Intersection and Bangkok-Chonburi Motor Way, which Kasem Bundit University is within 2-km radius.
     
 
     
Suvarnabhumi Station
This is an underground station, part of which is under Suvarnabhumi Airport Terminal and passengers can access the airport from the station and hotel connection point. It has various facilities such as elevator, escalator, ramp, etc.
  Lad Krabang Station
This station is located adjacent to King MongKut’s Institute of Technology Ladkrabang and north of Lad Krabang Train Station. Due to the State Railway of Thailand plans to expand railway route to provinces, therefore, this station will become a major interchange station for passenger transportation in the future.