At approximately 9.50am on Monday 22nd January 2018, there was an incident involving the manner of driving of a grey VW Golf registration DF67ORL.
This vehicle was reported as being driven aggressively and flashing its lights and braking in front of another vehicle deliberately.
The driver was also reported to have wound his window down to shout at another driver, telling him to pull over.
The incident occurred from junction 35 up until the victim turned off the motorway at Kendal.
Cumbria police are appealing for any independent witnesses who may have witnessed the manner of driving of the Golf or have themselves had an incident with the driver. Please contact Cumbria Police quoting incident 43 of 22 January 2018.