One other thing you've probably already noticed, is every now and again a house becomes unconectable. As in no matter how many roads you connect to it the game doesn't make the connection so its timer runs out.
Again, I have no expectation that you will go back to fix this but I know you appreciate feedback.
You can see a house here that the game refuses to connect. :-)
I've built some pretty neat cities. Its a very addictive little game!
