There was a stretch southwards up Copperas Hill at 1 in 17 – the steepest adhesion-worked gradient in Britain over which regular passenger trains ran.
[12] Most trains plied between Lowca and Workington Central, though two continued to Seaton (Cumbria), the first stop up the C&WJR's "Northern extension".
[15] Freight trains on the Lowca Light Railway through Harrington Junction to the Moss Bay and Derwent branches were usually hauled by industrial locomotives.
[18] The prime purpose of the passenger service was to enable workers to get from Workington to Lowca Colliery (also known as Harrington No.
Unadvertised workmen's trains continued until 1 April 1929, after which the accoutrements of a passenger railway, such as extensive and costly signalling, were removed, enabling the line to return to its industrial origins.
The route continued in freight use from Lowca through the site of the halt to Moss Bay until 1973 when Solway Colliery, Workington closed, depriving the line of purpose.