Donegal County Council will send out its team of gritters across Donegal from 3pm today.
All primary routes will be gritted as temperatures are set to plunge with a hard frost forecasted for this evening and overnight.
Motorists are asked to take extra care on the roads.
The following are the routes to be gritted.
06: Inishowen West
04: Inishowen South
01: National Primary North
02: National Primary Central
03: National Primary South
07: Milford South
08: Milford North
09: Cill Ulta East
10: Cill Ulta West
11: Na Rosa
12: Binswilly
13: Stranorlar North
14: Stranorlar East
15: Stranorlar West
16: Donegal West
17: Donegal North
18: Donegal South
19: Donegal National Secondary
05: Inishowen East
BT: Buncrana Town
LT: Letterkenny Town
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