Slamannan Junction Railway (North British Railway).
This line is divided into a number of portions.
This was the junction between the Edinburgh and Glasgow Railway's 1847 line between Causewayend Junction and Boness High Junction and the 1850 mineral line west to Maddiston Craigend Colliery and Shieldhill Colliery.
...
This junction gave the Edinburgh and Glasgow Railway access to Bo'ness branch (Slamannan and Borrowstounness Railway. Approach was from the west. Both lines were doubled with the branch dropping to single track after Bo'ness Low Junction. (The original connection was not direct but by reversal, very similar to today's reversing spur and trailing connection to the E&G.)
...
This was the junction between the Edinburgh and Glasgow Railway's 1847 line between Causewayend Junction and Boness High Junction and the 1850 mineral line west to Maddiston Craigend Colliery and Shieldhill Colliery.
...