As the article points out, expanding the two airports in Chicago are out of the question. And because it is more or less impossible to build a new airport, they are planning to build a "new" airport. Which means that this tiny little thing [1][2], which handles a dozen or two Cessna flights per day, is intended to "grow" into a 4000 acre major international airport. When it grows to its full footprint, the western ed…
Airport expansion is almost as difficult as building new. In my neck of the woods, some have suggested that the (primarily general aviation) Livermore airport would make a great “reliever” airport for the Bay Area jets, but this is constantly being fought by residents, mostly people in posh Pleasanton, which is on the flight path. It’s understandable that people don’t want more jets flying above their homes, yet, Eas…
In the case of the South Suburban Chicago Airport, noise is less of an issue. People don't want traffic and they don't want farms turned into warehouses and light industrial. And then the housing built for the thousands of jobs created.
It's essentially opposition to sprawl, which I think is a pretty legitimate concern. I think the state could try to do things to help prevent it from being as bad as it could be (forest preserves, open space, minimum zoning, etc). Though I don't think they want to, because the alternative to this airport is that the one just across the border in Indiana would get enlarged, leading to all that economic development going to a different state.