I didn't really know where to post this, I just thought some people might be interested in these SC4 blogs by original SC4 Art Director Ocean Quigley.
(there's one more of the opening messages making a bit more sense, from memory, 'Obfuscating Quigley Matrix')
http://oceanquigley.blogspot.com/2009/04/simcity-4.html
http://oceanquigley.blogspot.com/2009/05/disasters-in-simcity-4.html
http://oceanquigley.blogspot.com/2009/05/how-we-trashed-buildings-in-simcity-4.html
I saw those and emailed him asking if he had anymore thing he could share about SC4, he replied yes he did and he was meaning to put them up but hadn't got around to it. But so far he is not put anything more SC4 up.
Before anyone say my apologies for beating old post, but I believe this is the best place ...
After so long the O.Q. seems to have reminders of simcity and posted these antiques about networks sc4.
SimCity 4 road tile logic (http://oceanquigley.blogspot.com/2014/06/simcity-4-road-tile-logic.html)
One from the deep archives....
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2F1.bp.blogspot.com%2F_kwzYBTXYR4Q%2FS5MBfSgm_VI%2FAAAAAAAABFc%2FF5qQxlhBOaE%2Fs640%2Frail%2Bbits.jpg&hash=337ec06583be56c00f5b4dfdbf95e67936b06b06)
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2F4.bp.blogspot.com%2F_kwzYBTXYR4Q%2FS5MBfkG4kCI%2FAAAAAAAABFk%2F2ClJzMuaQg8%2Fs640%2Froad%2Bintersections.jpg&hash=87ad632ea629d6afdfeef93f104fb852d94d3b0c)
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2F4.bp.blogspot.com%2F_kwzYBTXYR4Q%2FS5MBgJ7ikqI%2FAAAAAAAABFs%2F9FtzDK0tQWE%2Fs640%2Ffreeway%2Bbits.jpg&hash=2429fc7e8cc644c535d25ff0f75825af8f238f50)
(https://www.sc4devotion.com/forums/proxy.php?request=http%3A%2F%2F3.bp.blogspot.com%2F_kwzYBTXYR4Q%2FS5MBgi5veFI%2FAAAAAAAABF0%2FtnN4lFdzLNI%2Fs640%2Favenue%2Bintersections.jpg&hash=9755c0f87d3a6c76c9bdbb5549a81718216d5fbf)