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The '''Zhob Valley Railway''' was part of [[North Western Railway]](NWR) Northern Frontier 2ft 6in/762mm narrow gauge ([[Rail_gauge#Narrow_Gauge|NG]]) network; finally extended from Boston to [[Zhob]] in 1929

During the First World War, a railway line was laid [[Khanai ]] (30 km north of Quetta) to [[Hindubagh ]] (renamed as Muslimbagh in 1960s). Hindubagh had Chrome mines, which was used in munitions of First World War. The railway line at that time was a private siding for the Balochistan Chrome Ore Company. The work started on [[Khanai-Hindubagh line Railway]] in 1916 and was opened for rail traffic in 1921.  In 1920 the [[Hindubagh-Fort Sandeman Railway Project]] to construct a broad gauge([[Rail_gauge#Broad_Gauge|BG]]) railway from [[Hindubagh]] to Fort Sandeman (the capital of [[Zhob]]) <ref>[https://en.wikipedia.org/wiki/Zhob Wikipedia “Zhob” ]; Retrieved 7 Apr 2016</ref>was put forward but was disallowed by the Government of India([[Government of India |GoI]]) at this time.In 1927, the [[Hindubagh ]] to Qila Saifullah section was opened and finally the section up to Zhob was opened in 1929. It had been intended to extent the railway from [[Zhob ]] to [[Bannu]], but this never eventuated.