25th July 2014 The Network Rail NMT passes 40 Steps on the 25th July 2014. In the foreground is the construction site for the Taunton NIDR road. The Network Rail NMT is currently operating in a revised formation while it's own Mk3 test cars are out of traffic for heavy overhaul. No. 43014 'The Railway Observer' and No. 43062 'John Armitt' are pictured operating 1Q25 10:25 Plymouth - Paddington, formed of various Mk3, Mk2, coaching stock and including the Network Rail Mk1 'Mentor' overhead line inspection coach. (Photo: Ian Silvester)