I really like that you can't simply ZONE for medium/high density, you have to zone low density and the buildings must be profitable or citizens happy to increase density, and the roads must support it.
I don't know to me that makes ALL zones "High density"
What? Its not easy to make a zone high density. Conditions have to be very well engineered.
For industrial zones, there must be somewhere to sell their freight to (other cities, commercial zones in your city, trade depots for selling to the world market, etc) and your taxes must be low enough that they can make a profit and continue operating.
For commercial zones, they must receive enough freight to continue operating and must have enough shoppers of the correct wealth category to remain in business despite your taxes. This has vexed me more than a few times where a commercial shop will upgrade to medium wealth due to the land value but I don't have enough medium wealth residents nearby to keep it afloat so it will either fail and be abandoned or stay perpetually low density.
For residential its even harder. From what I gather the residents must be happy, relatively free of crime, have a steady job (ie bring home money... they can abandon their home and become homeless if they can't find a job, which leads to homeless people wandering about (unhappiness for others) or even crime). They also need to be in relatively good health, though that just leads back to happiness. If they have income and happiness (mostly from buying goods at a store) they will slowly increase in density and once they hit the threshold they will rebuild... all of this assuming they have the room to do so, which can be the real trick. Some of the high density buildings are large footprint.
Made a region in US East 1, add me on Origins and I shall invite you.
East 1 is currently full forever it seems, but if you could send along the region invite to jazzy_blur I will join when I can! 
Looks like you have to be actually on the server to be invited, or rather, have to be connected to the server at least once after adding each other as friends to be able to invited.
Invite me when you can.
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Topic: Sim City 5 (Read 193701 times)