The government has reprimanded the operator behind the $8 billion North West Metro for operating below set minimum standards.

Since it’s opening, Sydney Metro has been experiencing teething issues with driverless trains breaking down and leaving commuters stuck.

Over the last five months, there have been 40 incidents that caused passenger disruptions.

Freedom of Information documents from August, obtained by Ross Greenwood, shows the operator, Mass Transit Railway (MTR), was found not to be running to minimum standards.

A review of operations will be conducted in November.

NSW Transport Minister Andrew Constance tells Ross Greenwood there will be penalties if the operator does not meet expectations.

“Ultimately, we expected them to perform better.

“We’ve been firm with them and fingers crossed that they do meet their performance requirements by November.”

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#9News can reveal Sydney’s North-West Metro is not even meeting the bare minimum requirements, and we have the secret document the government doesn’t want you to see. @Ross_Greenwood #9News pic.twitter.com/z1QT316gRc

— Nine News Sydney (@9NewsSyd) October 30, 2019

Image: Getty/Matt Blyth