4 June 1908: A train from Nakhon Ratchasima collided with an elephant that had wandered onto the tracks at night, between Chaing Rak Yai and Chiang Rak Noi stations, killing three crew and derailing 13 of 26 cars.[1][2]
1 August 1979: A train approaching the switch in Taling Chan Junction yard and collided with a freight train from Bang Sue Junction, having gone through a red signal. Fifty-one people were killed and 138 injured. It remains Thailand's worst railway disaster.[3]
8 November 1986: Six runaway, unmanned, coupled locomotives which had their engines left on due to maintenance works at Bang Sue Depot collided at Bangkok railway station, killing four and injuring four.[4]
17 January 2005: (Bangkok) A collision of two metro trains on the newly-opened MRT Blue Line injured 140 passengers.[7]
5 October 2009: A passenger train derailed in Hua Hin at 04:50 local time (21:50 on October 4 UTC) in a rainstorm. At least seven people were killed and dozens were injured.[8]
A train crashed into a pickup truck at a railroad crossing in Prachuap Khiri Khan. One dead, two injured.