Ratchaphruk Express was a special overnight train operated by SRT

State Railway of Thailand

The State Railway of Thailand is the state-owned rail operator in Thailand. The network sees around 50 million passengers per annum.-History:SRT was founded as the Royal State Railways of Siam in 1890...

. It ran from Bangkok

Bangkok

Bangkok is the capital and largest urban area city in Thailand. It is known in Thai as Krung Thep Maha Nakhon or simply Krung Thep , meaning "city of angels." The full name of Bangkok is Krung Thep Mahanakhon Amon Rattanakosin Mahintharayutthaya Mahadilok Phop Noppharat Ratchathani Burirom...

 to the northern city of Chiang Mai

Chiang Mai

Chiang Mai sometimes written as "Chiengmai" or "Chiangmai", is the largest and most culturally significant city in northern Thailand. It is the capital of Chiang Mai Province , a former capital of the Kingdom of Lanna and was the tributary Kingdom of Chiang Mai from 1774 until 1939. It is...

, daily, between November 1, 2006 to January 31, 2007 to serve Royal Flora Festival

Royal Flora Ratchaphruek

The Royal Flora Ratchaphruek was a flower festival held 1 November 2006, to 31 January 2007, in the Thai city of Chiang Mai that drew 3,781,624 visitors...

 or Ratchaphruk 2006. The northbound train No. 963 would depart from Bangkok Station at 5:45 pm to arrive in Chiang Mai Station

Chiang Mai Station

Chiang Mai Railway Station ) is the 1st class station and the main railway station in Chiang Mai Province. This station located in east bank of Ping River in the city of Chiang Mai. There are 14 daily trains, including 2 E&O trains servicing this station. There are also 4 to 6 special trains in...

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.