Road users are being warned of major delays on the N17 this morning due to a crash.
The two car collision between car and a van happened on the stretch between Curry and Tubbercurry shortly after 9am.
The section of road is currently down to one lane as emergency services deal with the incident.
Gardai have confirmed that no injuries were reported.
Motorists are being advised to approach the area with caution.
A nationwide Status Yellow fog warning issued by Met Eireann will remain in place until 11 am this morning.
Many parts of the north west are reporting issued with Fog this morning.
Met Éireann has warned of potentially hazardous travelling conditions as a result.
Areas of dense fog have developed, which is causing impaired visibility for commuters.
