Feedback on my Springfield

The design looks good - you've got some nice decorations accentuating the buildings. :-) But you do seem to have a lot of doubled-up roads.

What you may want to do is re-organise to get rid of those double-ups. Land is expensive, and limited too. Personally I'd delete all roads, mark down where you want the roads to be with concrete (so you can still shuffle buildings on those, unlike roads), and then put back roads when you've got it all the way you like it.

It's nice but I think you should have a residential part and a commercial part.