Calder Freeway truck crash driver walks away with minor injuries in Malmsbury

Part of a Victorian freeway has been closed after a serious crash involving a truck on Wednesday morning.

The incident occurred on the Calder Freeway in Malmsbury at about 5.30am, when a truck is believed to have crashed down an embankment.

The truck appeared to have veered over the edge of a wall several metres high and plunged into a creek.