One of the contractors of the Kendal Windermere Railways had also built one third of the railways in which country by 1847?
Kendal and Windermere Railway The Kendal and Windermere Railway is a railway in Cumbria in north-west England. It was built as a railway from the Lancaster and Carlisle Railway at Oxenholme via Kendal to near Windermere, opening fully in April 1847. The engineer was Joseph Locke and the partnership of contractors consisted of Thomas Brassey, William Mackenzie, Robert Stephenson and George Heald. It remains open, albeit in much simplified form, as the Windermere Branch Line.
Royal Westphalian Railway Company The Royal Westphalian Railway (German: "Königlich-Westfälische Eisenbahn" , KWE), was a German rail company established in 1848 with funding from the Prussian government, which later became part of the Prussian State Railways. The network eventually extended about 315 km from Rheine via Hamm to Warburg and from Welver (near Hamm) to Oberhausen.