The NSW prime minister called for an independent review as hundreds of thousands of Sydney commuters continued to face severe damage after slumped on a collapsed high-voltage wire on trains on Tuesday afternoon, which paralyzes the city's rail network.

Chris Minns also announced Monday’s no fare day to compensate commuters facing chaos in train platforms, long bus queues and Uber’s price surge, as events in Strathfield triggered a network-wide blackout that suspended westbound trains, affecting all heavy railroads.

The state apologized to the commuters and said that the HomeBush's overhead line had undergone extensive repairs. It said that services will gradually return to normal throughout the day, but passengers should expect “remaining delays.”

At 10 a.m., passengers still having confusion were crowded on the train at Sydney Central Station to cancel service.

Travelers will receive free fares for one day on Monday, the government said.

Chris Minns said it was considering an independent review of Sydney train maintenance and punctuality following the incident.

"We have to get better, that's not enough and certainly not comparable to international standards," he told 2GB on Wednesday morning.

"I need to have an independent review of this. We are considering bringing someone from the airline to the airline ... to look at three things: the maintenance plan we have done, the punctual plan of trains on the Sydney train network, and the communication."

“I don’t think we have a clear enough impact on the direct and long-term impact.”

Passengers planning to use the rail network on Wednesday are advised to postpone travel or use alternative transportation. The government said services on all routes will be reduced and trains will not extend to the schedule.

"The Sydney train fleet worked hard in tough rainy conditions to remove the defective train and repair the overhead cabling that caused significant damage on the railway network yesterday. The work was then inspected and certified and the 1,500 volt power was re-checked."

“We acknowledge how frustrating this is for the passengers and apologize for the destruction.”

Sydney Metro is not affected by the power outage, but it was still overcrowded on Wednesday morning, and rail users are looking for other ways to get to work.

Shipping in NSW activated consent with Uber to protect customers from an unreasonable surge in pricing on Tuesday, but it is understood that it will only take effect after the usual fare doubles.