I wasn't satisfied by my initial plans of developing the region. So i decided , because it's a small region (4x4 large tiles) to build a 7 tiles main city and a small 1 tile town.
as mods i us: NAM, SAM, LRM, SPAM, SG Farms, Beach Extender mod, i also use an HD terrain and rock mod (forgot the name sorry), drunken water's mod.
Also all residential, commercial and angricultural maxis are blocked.
The region has 2 highways, 3 main railways and 3 secondary railways, one airport and one seaport.
Curently i'm working at a suburb that includes the airport.
Update soon. I would appreciate some advices regarding the highway and rail network design.