Western Australia Premier Mark McGowan sent a disappointing message to the 55,000 fans on their way to Optus Stadium for Thursday night's Big Bash semi-final: "Leave early."
Perth's public transport system was tipped to suffer under the massive strain of the sellout crowd as it flooded the riverside venue.
"I would just ask everyone to be understanding that the transport system will have difficulty coping, in particular leaving the stadium," Mr McGowan said.
"If you can leave early or delay your departure, that would be a good thing.
Read more: Wynne Gray: Big Bash goes international