The scaffolding fell off a truck travelling on the Calder Freeway in direction of Melbourne close to Black Forest Drive in Macedon simply after 7am, in response to police.
Many drivers had been pressured to tug over to the facet of the freeway, with their vehicles having suffered injury, together with tire punctures.
Nobody was injured.
A truck driver stopped on the scene.
Police are talking with the motive force and investigating what occurred.
Any witnesses or anybody with dashcam footage is urged to contact police.