Ratchaphruk Express (รถด่วนราชพฤกษ์) was a special overnight train operated by SRT. It ran from Bangkok to the northern city of Chiang Mai, daily, between November 1, 2006 to January 31, 2007 to serve Royal Flora Festival or Ratchaphruk 2006. The northbound train No. 963 would depart from Bangkok Station at 5:45 pm to arrive in Chiang Mai Station at 7:05 am. The southbound train No. 964 would depart from Chiang Mai Station at 10:00 pm to arrive to Bangkok Station at 11:20 am.
References
Ratchaphruk Express Wikipedia(Text) CC BY-SA