|/ /1896||Strathaven and Darvel Railway
Mid Lanark Lines (Caledonian Railway)
Mid Lanark, Spireslack and Muirkirk Branch (Caledonian Railway)|
Lines authorised for the Caledonian Railway. The Glasgow and South Western Railway is granted running powers over these lines in exchange for the Caledonian Railway having running powers from Darvel to Troon and Kilmarnock to Ayr.
|/ /1899||Strathaven and Darvel Railway|
Glengavel Railway, from Drumclog station to Glengavel Reservoir, authorised for Lanarkshire Middle Ward District Water.
|/ /1904||Strathaven and Darvel Railway|
Line split - west of County Boundary Junction is transferred to the Glasgow and South Western Railway, east to Caledonian Railway.