The Corleons' Reunion in New Hampshire

Where did the Corleons live? You know Jersey right? We're talking about Kay and Michael and their reunion after he comes back from Sicily. Where is that? Is that like West? It's New Hampshire. Second one, has there ever been a better assassination plan ever than Sunday getting go down at the toll booth? What's the setup for minding him how they get him out of the house? The toll booth special. If anyone knows this answer, hit us up.