never delete all roads, leave atleast 1 tile on each side of the river, if you got a savegame from before deleting all roads just load it up and redo your city build. ... i always save the game before i start to remod the city layout. btw no need to buy up all land, you can use the government mode a...

I think the underlying issue is that you cannot build a road unless it is adjacent to an existing road, hence if you remove all the roads on one side of a river you basically can't build roads on that side anymore. Prevention of that problem would be to not delete all the roads. But I suppose maybe ...

only by restarting, though you can build some buildings without access to roads so use it for those :) i did query the no roads thing a long time ago but it didn't get a response, but i think its just a bonus extra they gave us not a core feature. this is why i want to be able to load/save map layou...

I think the underlying issue is that you cannot build a road unless it is adjacent to an existing road, hence if you remove all the roads on one side of a river you basically can't build roads on that side anymore. Prevention of that problem would be to not delete all the roads. But I suppose maybe...