National observers have also noted Detroit’s real estate resurgence in recent years, with surveys putting the region in the top 20 nationally for investment and development prospects.

The city’s Housing and Revitalization Department issued a request for proposals for the long-derelict property.

Work on the $2.24 billion development is planned to begin next year, with the third phase wrapping up in 2036.

The ballot measure asks whether to call a convention for a general revision of the 1963 constitution. Voters overwhelmingly said no in 2010, 1994 and 1978.