Hilarious footage captured the bizarre moment a man dressed in a suit was caught running through a busy tunnel.
The well-dressed man was seen running through the Burnley tunnel in Melbourne last week.
A passing traveler captured the strange encounter before sharing the video on Reddit on Friday.
Footage showed the man running through the tunnel in his leather shoes while clinging to the wall to the right of the tunnel.
He seemed unfazed when the passenger recording the incident caught up with him.
“Was on my way home tonight and there was a middle-aged man running through the Burnley tunnel,” they wrote.
‘The man was wearing a suit, what do we think the story is here?’
Transportation officials said they are trying to identify the man and figure out how he came to run in the tunnel, and social media users are sharing their own theories.
A man was seen running through the three-lane Burnley tunnel in Melbourne last week and Australians have been trying to work out what he was doing.
“When you get directions on Google Maps to get to the crown, you forget to switch from car to walking,” one wrote.
“I bet someone kicked him out of the car in the middle of the tunnel,” said another.
A third added: “I see the Christmas holidays are in full swing.”
Many Australians saw the humor and some were convinced the man was a “superhero” or a spy.
“OMG I’m Jason Bourne,” one wrote.
‘Tom Cruise!’ said a second.
“Giving energy to the main character, it’s good for him,” added another.
Others were more concerned about the quality of the air they breathed.
“RIP your lungs,” one wrote.
“He’s in big trouble, there’s no electronic tag on his suit,” one said.
Some were impressed with its shape.
‘Also running accessories with formal shoes, my friend. “This is at the top of the difficulty scale,” one wrote.
Another added: “He’s in pretty good shape though.”
Daily Mail Australia has contacted Transurban for comment.