Drivers are being told to expect disruption after several bags of stone/salt have fallen on the M1.
Police are asking drivers to find alternative routes following the incident which has taken place at the Lisburn junction of the M1 heading eastbound.
A PSNI spokesperson said: "Motorists are advised of some disruption, delays on the M1 Eastbound, Lisburn junction, Antrim as several large bags of salt/stone have fallen onto the road.