West Somerset did it (and not for the first time) in 1978.Out of interest, does anyone know whether a steam loco has ever been used for snow clearing duties (fitted plough/propelling a plough) on the UK main line since the end of main line steam?
http://www.wsr.org.uk/snow1978.htm
You're going to say that Lydeard to Minehead is not a main line ...