Charles Grant's c1835 cartoon "The century of invention Anno Domini 2000 or the march of aerostation, steam, rail roads, moveable houses & perpetual motion" which depicts a locomotive on the viaduct pulling a train of houses in place of trucks.

Charles Grant's c1835 cartoon "The century of invention Anno Domini 2000 or the march of aerostation, steam, rail roads, moveable houses & perpetual motion" which depicts a locomotive on the viaduct pulling a train of houses in place of trucks.

Gloucester is on the Severn and while that might be a source of "salmon and trout" it is many miles from the sea. Bar480, The Wonderful Effects of the Leicester Rail Road seems to be a later variant of this song. Both songs may be variants of an earlier song in which the references to the sea and to London make more sense
The Cheltenham and Great Western Union Railway opened between Cheltenham and Gloucester in 1840
Reference: http://en.wikipedia.org/wiki/Cheltenham_Spa_railway_station.
Stage coach drivers were notorious for wild driving
