Police are appealing for anyone who witnessed a vehicle collide with a power pole on Ferntree Gully Road in the early hours of Monday 12 September.
At around 5.45am, a white Mitsubishi utility collided with the pole near Rushdale Avenue, with the 32-year-old man driving the vehicle being taken to hospital with minor injuries.
Traffic was disrupted throughout the day while power was restored after the collision.
Police said drugs and alcohol had been ruled out as a factor in the incident.
Anyone who witnessed the vehicle travelling west on Ferntree Gully Road before the collision or anyone with dashcam footage of it is asked to contact Knox Highway Patrol on 9881 7000 or make a confidential report via Crimestoppers.