Gritters will be on the roads in Donegal from 6pm this evening, with all roads on the council’s winter programme to be treated.
Temperature are forecast to fall to -2 degrees in places tonight.
Donegal County Council urge drivers to assume no road is ice free.
The index of routes are as follows:
01: National Primary North
02: National Primary Central
03: National Primary South
04: Inishowen South
05: Inishowen East
06: Inishowen West
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
BT: Buncrana Town
LT: Letterkenny Town