South Brisbane residents will also havefree tolls on the Go Between Bridge during construction.
The council will also be required to develop more strategies to manage fare evasion. The metro vehicles are expected to have all-door boarding with tap-on card readers,which Mr Hammer said"potentially"created an increased risk of fare evasion.
"We are also required to reimburse the cost of[Transport and Main Roads'] interactions with Brisbane City Council as part of delivering the project,"he said.
"So a cost reimbursement will be put in place for that,and an agreed process for network planning and service changes,which is quite a significant part of the project."
Public transport committee chairman Ryan Murphy toldBrisbane Times the"onerous"state-imposed condition required the council to reimburse the wages of TMR employees working with the Metro project.
A full figure for those employee costs is not yet available,but the new requirements from TMR will need to go before the council again in the future for approval.
Cr Murphy also questioned the timing of the state government's sign-off on the Metro approvals,days before election caretaker mode began.
Transport and Main Roads Minister Mark Bailey said the Metro project covered a"significant portion of inner Brisbane,so getting the design of public spaces around it right is critical too".
"Many of the changes requested by the state were to reinstate elements at King George Square,Buranda and Griffith University stations,"he said.
"These elements were cut out of the Metro plans by Brisbane City Council in 2020 when they proposed to delay undergrounding of the Cultural Centre station.
"These elements needed to be reinstated to stop the busway clogging up when the longer metro vehicles go into service."
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Mr Bailey said the council was"warned"not to go to tender in 2019 without the state's approvals,but those issues had been resolved.
In the committee,opposition leader Jared Cassidy asked how much of the final transport network would be underground as originally proposed.
Mr Hammer said the Adelaide Street tunnel would bring about 300 metres of underground travel to Metro,while about 200 metres of planned underground tunnel at the Cultural Centre would not go ahead.
Cr Murphy suggested the Brisbane Metro project was never specifically about putting buses underground,but rather about"addressing a strategic transport infrastructure concern".