Line (bus or train route) in Thai

“Line (bus or train route)” in Thai is สายsǎai.

สาย sǎai

line, route (bus or train line) noun

  • sǎai rising
  • Rising: start low, dip, then rise to the top, like a doubtful “Really?”

Rising tone. Bus numbers and train lines both use it: รถเมล์สายแปดrót-mee sǎai bpàet is bus number 8.

Other spellings you'll see

There's no single official way to write Thai in English letters. We mark the tone of every syllable; online you'll also find:

  • sai

More travel and transport in Thai

All travel and transport

Learn this word in Unit 11, free

Unit 11 · Night train north · How long? Buses, planes and rides. Short lessons with audio for every word, speaking practice and spaced review. No sign-up needed.

Written by the Learn Thai For Free team
Audio: AI voices, quality-checked for tones