VIDEO: Catch Britain's biggest model railway in Wakefield
and live on Freeview channel 276
The 200ft-long replica, which is the creation of Simon George, has taken eight years to build and captures a snapshot of the 1.5-mile stretch of real track at Heaton Lodge Junction in Mirfield from 1983 - when Simon would watch the engines as a boy.
He collected in 500 photos from the era to carefully recreate the scene down the finest of details.
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Hide AdUsually kept in an underground industrial unit in Wakefield, the display will be the first of a tour of Britain and then hopefully Europe.
With 28 running trains on the track, it will remain on display in the Union Street Hall for the public to view until Sunday, December 19.