The West Highland Railway was a railway company that constructed a railway line from Craigendoran to Fort William and Mallaig. The line was built through remote and difficult terrain in two stages: the section from Craigendoran to Fort William opened in 1894, with a short extension to Banavie on the Caledonian Canal opening in 1895.

The North British Railway was a British railway company, based in Edinburgh, Scotland. It was established in 1844, with the intention of linking with English railways at Berwick. The line opened in 1846, and from the outset the company followed a policy of expanding its geographical area, and competing with the Caledonian Railway in particular. In doing so it committed huge sums of money, and incurred shareholder disapproval that resulted in two chairmen leaving the company.