An apartment building is effectively a large grouping of houses that are not directly connected to a road. People carry couches, or TVs. Maybe apartments are not like this where you live? Where I am, there will be a couple of square blocks of buildings that are all considered one complex...inside of that complex is a parking lot, and you walk to your building, then your apartment.

It wasn't meant to be snarky.

You mean an apartment complex, not an apartment building (at least that's how it's called here).

A couple of square blocks? But still I'm sure there are roads in between the buildings. And you have to transport the couch in a car or truck at least to the general area don't you?

No one builds buildings that have no road access whatsoever, and the only travel is via subway or walking.

Sim City is just an abstraction. You can pretend there are tiny pedestrian paths between the buildings and the roads only represent major roads.