I'd like the small hedgerows separating all of the pitches as in France etc. each pitch to be fully serviced with good drainage so that it doesn't become a mud bath. Good service blocks and harping back to my days of owning a motorhome - I'd offer an area where motorhomes could be washed purely by supplying drainage and a water connection.
There is for and against the hedgerows...! It depends on the neighbours!
Sometimes it is lovely to get chatting to the people beside you and discover interests and also maybe find out about the nice pub or restaurant down the road.