I would factor energy into this. Number of people able to access necessary points of interest per hour per joule of energy used in that trip A place where e

I would factor energy into this. Number of people able to access necessary points of interest per hour per joule of energy used in that trip A place where everybody can access all the things needed for life literally by walking out their front door is far superior to one where you have to step on a rocketship to go for groceries. Also there has to be a point where you use so much space and energy for transportation that you will not be able to have any given unit of area support a lot of people.