The council ran a four-day trial in January, during which planter boxes were used to block vehicles from using the through-road in front of the railway station.
The public response to the initiative appeared positive at the time.
And now a report released by the council, to be considered at next week's infrastructure services and networks committee meeting, underlines the popularity of the change.
A public survey carried out during the trial gathered 172 responses, of which 80% supported the closure, while 9% supported it with some reservations.
Just 11% of respondents were against the initiative, the report by council senior transportation planner Susan Lilley said.
Those who backed the trial said the removal of cars and buses from in front of the railway station had ''greatly improved'' the look and feel of the building and improved safety, particularly for children and tourists.
Some concerns were raised about access, particularly for the elderly and those with mobility issues, while others worried about losing the convenience of parking in front of the building.
Feedback from tour operators was ''mixed'', as some noted the changes improved safety and the view for tourists taking photographs, while others worried about the loss of parking space.
The Otago Arts Society, a tenant inside the railway station, surveyed its members and found ''wide concern'', particular for those picking up and dropping off artworks.
The society also worried about the impact on visitor numbers, particularly a drop in cruise-ship visitors, which made up a ''large proportion'' of its customers.
Other members noted the positive aspects of the change.
Council transport group manager Richard Saunders said plans for a second trial - in spring - were being developed, but feedback from it would be considered before any formal process to seek a permanent closure began.
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Comments
Just another step in DCC's campaign to make Dunedin less accessible and less attractive.
Removing hundreds of car parks on the one way street system, trying to make the Octagon pedestrian only, making George St car free or close to it. All these measures (and plenty more) steadily make Dunedin a less attractive place to visit both for locals trying to shop or tourists trying to get around.
Some councilors want Dunedin to be a pedestrian and bike mecca. Some people just want a functioning and livable city for the majority of people. The two aren't mutually exclusive, but council seems hell bent forcing their style on the whole community.
DCC should look at the average age of its citizens. It is not the average age of the university population. Most people need to use vehicles and have easy access to shops and businesses. DCC staff and some councilors seem to be against these basic principles.