A new $11 million separated bikeway in south-east Brisbane will remove 30 inner-city car parks and potentially close an access to the South East Freeway.

After almost a year of consultation, Brisbane City Council has revealed the designs for the project, with construction due to start construction in 2018.

The council's public and active transport chairman Adrian Schrinner said, as part of the proposed upgrade, access to the freeway from Stanley Street would be closed, restricting access to vehicles that used the on-ramp during the morning peak.

“The state government has been supportive of this proposal,” he said.