Police are investigating a road traffic collision which occurred on the A590 at the Brettargh Holt Roundabout.
Police were called at 5:08pm on Saturday 11 May.
A Cumbria Police spokesman said: “A 64-year-old rider of a Honda motorcycle from Barrow was taken to the Royal Preston Hospital with serious injuries.
“The driver of a Renault Kadjar, a 55-year-old man from Lindale was also involved and is helping police with their enquiries.”
Anyone with information is asked to call PC Jon Batley at the Mobile Support Group on 101, Ext 42190 quoting log 160 of 11 May.