During the lifetime of the canal it was of considerable importance as the sea outlet for Carlisle, handling both freight and passengers.

Some through trade continued via the Port Carlisle Railway, but diminished as the Solway silted up.

The offshore wharf was connected to the rail system to allow continued access to Carlisle.

Freight still travelled on the railway from Port Carlisle, but decreased as the channel silted, and the much better dock facilities at Silloth were used.

In 1914 to prevent closure of the line, a steam railmotor called 'Flower of Yarrow' was introduced and this service lasted until the branch was closed in 1932.