Drivers are being warned to take care on the roads in the poor weather.
Officers in Foyle say many of the regions rural routes are in a 'treacherous' condition.
The old Rossdowney Road was closed for a time last night as emergency crews responded to a collision.
Police say the driver was shaken up but otherwise uninjured in the crash.
WARNING! Please be careful driving 🚙Ballyarnett NPT 👮🏻 out at Crash on Old Rossdowney Road - Now CLOSED #KeepingPeopleSafe #DriveSafe pic.twitter.com/l5t92p357d
— PSNI Foyle (@PSNIFoyle) November 24, 2016
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