UPDATE at 9.05am: According to AA Roadwatch the crash has been cleared and delays should ease shortly.
The M1 motorway northbound in Louth between the exits for Ardee and Castlebellingham is reported to be at a "standstill" this morning following a "crash".
Emergency services are believed to be currently at the scene.
Large tailbacks are being reported.
Motorists are advised to drive with care.
More as we get it.