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In page Slamannan Railway:

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The Slamannan Railway had been built with high hopes of revolutionising transport between Glasgow and Edinbugh, as well as gaining access to rich new mineral fields. It was disappointed in both respects, and the opening of the Edinburgh and Glasgow Railway (E&GR) in 1842 seemed to be a hammer blow to the Slamannan company, with their primitive sleeper block railway and a suddenly out-of-date track gauge.[1] Although the line gave access for the first time to isolated moorland communities, the traffic brought little money in.[2]