The Podsosenka train disaster happened on March 3, 1992, at 5:15 (local time) near Nelidovo, Tver Oblast, in Russia.

Passenger train No. 004 en route from Riga to Moscow failed to stop at a restrictive signal, and collided with oncoming freight train No. 3455 at Podsosenka station. The collision of the two diesel locomotives caused a fire, which spread to the passenger cars. Forty-three people were killed and 108 injured.