There isn't a Create-a-World program for Sims 2. There are in-game terrain modding tools (if you have the required EPs) and you can change the neighbourhood deco and trees even with the base game. If you want to change the roads, you need Sim City 4, which is a seperate game which can create terrains for Sims 2.
There are third party programs available which can copy neighbourhood roads and deco also, but no Sims 2 CAW.
I also would like decorate a new neighbourhood to share it here!
I want to create own family, "familystories" and the buildings and the shops!!!
That is something that I really want to do, but I dont know how I can upload the neighbourhood here!
Isn't it cool?!
You let Simslovers play your own created Sims 2 story neighbourhood! So many people have decided other ways for Pleasantview etc. !!!
That is awesome!
I hope it would be great; but I need a tutorial how to do it!.... :DDD I'm so excited!