From Bangkok  Hua  Lampong  TRAIN  STATION  to  The  Atlanta  Hotel  by  UNDERGROUND / SUBWAY / METRO  connecting  with  the  SKY TRAIN (B.T.S)  -  operational from 06:00 hrs till 24:00 hrs  -  practical only if you have luggage you can carry and walk 700 yards / meters, which is the distance you will have to walk from the Sky Train station nearest The Atlanta to The Atlanta  -  exit Hua Lampong Train Station through the main / front doorway, turn left, cross the road and you will see the underground / subway / metro, also called M.R.T. (Metropolitan Rapid Transit) - buy a ticket for Asok (6 stops, 26 Bahts, about 15 minutes) - at Asok, exit the station to the street level, then go up the stairs to Asok Station of the Sky Train (also known as B.T.S. or Bangkok Mass Transit System) - buy a ticket for Phloen Chit (2 stops, 22 Bahts, 4 minutes).  

At Phloen Chit Station, take exit 4 down to the street.  Exit 4 is the southeastern exit.  While descending the staircase at exit 4, you will see Novotel on your right.  Keep walking with the Novotel on your right till you reach the street level, then continue walking in the same direction.  At the street level, you will find yourself walking under a huge overpass (for cars), then immediately crossing a railway line and a street.  You will soon see a sign that reads ‘Ploenchit Center’ which is an office block with shops, including a McDonald and a Starbucks.  Keep walking.  You will reach the corner of Soi 2 Sukhumvit Road.  Opposite you is the Marriott Hotel.​

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The distance you have walked from exit 4 of Phloen Chit Station to the corner of Soi 2 Sukhumvit Road is about 100 yards / meters.  Turn right to walk down Soi 2. The Atlanta Hotel is at the bottom of this lane, ​a distance of about 600 yards / meters from the corner.  The total travelling time from Hua Lampong Train Station to The Atlanta, including waiting time at the platforms and walking time, is about 45 minutes.