The Dayton and South Eastern Railroad (D&SE, later a B&O line) was planning a narrow gauge line from the Jackson County mines through Xenia to Dayton, and a branch from Xenia through Lebanon would connect to the markets at Cincinnati.
As an associated company of the GWR, this was a broad gauge line.
This is the South Tynedale Railway, a narrow gauge line that starts at Alston before crossing the border from Cumbria into Northumberland.
During 1875 it was converted to a meter gauge line (MG line).
By the time the first annual meeting of the stockholders was held on January 13 , 1891 5 mile of the road had been completed as a narrow gauge line.
Engineered by Isambard Kingdom Brunel, the line was originally built as broad-gauge, but had been reconstructed as a mixed gauge line to accommodate local -gauge traffic by 1 June 1875.
Sited approximately 57 chain from the Bristol & Exeter's northern terminus at and 119 mile from the Great Western Railway's London terminus at Paddington, there were two tracks, both originally broad-gauge, but the line was reconstructed as a mixed gauge line to accommodate local -gauge traffic by 1 June 1875.
The railway line, a 610mm (2 ft) gauge line, covers a distance of 20 km, over large swathes of forest territory connecting Neral to Matheran in the Western Ghats hills near Karjat and Mumbai.
There are plans to replace the old narrow-gauge line with a new standard gauge line over the next three to five years, with high speed trains cutting the journey time from Nairobi to Mombasa from the current 15 hours to a mere two or three.
By the 1950s, interstate traffic was suffering from the break-of-gauge at the New South Wales state border, and a parallel standard gauge line was opened from the Melbourne to join the New South Wales system in 1962, along with a bogie exchange depot to allow wagons to operate across the broad and standard gauge networks.
