We can confirm that it is possible to carry bicycles on trains in Thailand as cargo for a small extra charge, however, only on those trains which have Freight Carriages . See below for a brief list of trains upon which you can and cannot takes bicycles, for more detailed information you need to check with at a train station. As a general rule of thumb the intercity trains (except the three carriage sprinter trains) on the Northern, North Eastern, and Southern lines all have Freight Carriag...| Thailand Trains
The historic Hua Lamphong Railway Station first opened in 1916 and until January 2023 it was the main terminus for all long distance train services in Thailand. .| Thailand Trains