Police are appealing for information following a collision on the A66 near to Kirkby Thore.
It happened at around 7.10am on Thursday March 7.
It is reported a blue BMW failed to stop after colliding with a white Renault Clio, resulting in it leaving the carriageway and overturning in a ditch.
The driver of the overturned vehicle was unharmed.
Anyone who witnessed the collision or has any information on the incident is asked to contact police.
Officers would also like to hear from anyone with dash cam footage which may assist the investigation.
Anyone with information relating to this incident is asked to report online at www.cumbria.police.uk/report-it, quoting incident number 20 of 7 March 2024.
Alternatively, contact Crimestoppers, anonymously, on 0800 555 111.