Gardaí are urging motorists to take care on roads across the region this morning.
Black ice has been reported on secondary and local routes following frosty conditions overnight.
Slow down, drive carefully and allow extra time for your journey.
Meanwhile, temperatures could drop as low as minus 4 over the next few nights as the country enters into a cold spell.
Alan O'Reilly from Carlow Weather says the cold snap could last into next week