The Glenshane Pass has been covered with snow but police advise it is passable with care.
A spokesperson said: “Motorists are advised to reduce their speed and exercise caution when driving due to the adverse weather conditions.
“Make sure to drive considerately, wear your seatbelt and check brakes before making any necessary journey.
“Please don’t travel if you don’t have to.”
Police are advising that due to the adverse conditions, a lorry has become stuck on the Mountain road between Limavady and Coleraine.As a result, the road is currently closed.
Motorists are advised to seek an alternative route
The Windyhill Road, A37 Broad Road/Dunhill Road have been closed between Limavady and Coleraine.
Police are also advising of challenging driving conditions on Craigmore Rd between Limavady and Ringsend.
The A2 Sea Coast Road is open.