If this is a blue-sky scenario, I’m going with: space dedicated to growing food or producing power (like with solar pv between rows of crops that need some shade). This will call for minimal pathways to access some of the spaces, probably also water lines for irrigation, plus strategically placed keystone trees like oak and some fruit-producers as well
Agrivoltaics and multistrata agroforestry are super cool. I know this sub is primarily about sustainable urbanism, but I love me some sustainable pastoralism as well. I want a world with denser cities so we can make way for more nature and sustainable agriculture instead of endless sterile suburbs.
If it were up to me? I’d talk to local ecologists/climate scientists along with the local community who would be exposed to and/or utilizing that space and see what they felt was best for their area.
Parks and sports areas covered with solar panels if in one of the hotter places. Maybe event areas for concerts, markets, whatevahs
Really cool stores, parks, things like that.
I currently live in a place that doesn’t have that many people parking, yet we still have a bajillion parking spaces. They tear down a perfectly good building and build a parking space, then proceed to make it seem like some great thing for the community when in reality it will be used by no one but drug dealers (in cars)
If you’re in the US or Canada (or maybe some other places as well), that’s likely a result if parking minimums. Climate Town has a really good and comprehensive video on them here. Essentially, the developers are legally required to build a certain minimum number of spots, based on the use of the building and the floor space. But these numbers are completely arbitrary, based on pseudoscience, and based on expectated max (as opposed to typical) usage. Buildings that existed before the laws were enacted in the mid 1900s were grandfathered in, but any substantial renovations or new developments require the developers to acquire neighboring properties and demolish them to satisfy the mandatory parking minimums.
The whole thing is truly insane and results in so much needless waste.
Makes sense, though in my case a lot of these parking lots are straight up built in the middle of nowhere, knowing that they serve no purpose.
Some are just way oversized as well, for instance, the capacity of grocery store parking lots far exceed the maximum number of inhabitants even if you have a single person per car. Absolutely insane.