Transport Minister Constance was rather evasive about that. He eventually promised to consider it, but he didn't sound that convincing.
The Woolworths Metro car park is indeed well located, very spacious, and could indeed do the job. But that's not what these things are usually about. It's likely to have been secretly earmarked for something else by the property developers.
What say we check back in here, in a couple of years time. What's the betting there will magically be an enormous housing development on the Woolworths car park site?