The trucking company at the centre of the metal shard spill that scattered debris for kilometres along a major motorway that resulted in hundreds of cars suffering flat tyres has apologised.

Some 25km of the M1 Motorway, north of Sydney, was closed on Friday after a truck carrying metal debris spilled its contents at about 5am, between Palmdale and the Mooney Mooney Bridge, bringing traffic to a halt.

Daniel Falconer, general manager of the NJ Ashton Group, the company that owns the tipper truck involved, told 2GB that affected drivers would be compensated.

‘We’re very sorry for all the concern. Continues…