Found this thread from 2007 that says you can. Is the speed limit on Buenos 30 mph ?
Golf Cart Crossing on Buenos Aires Blvd.
and this, might not be legal.
https://www.sumtercountyfl.gov/Agend..._5809_7511.pdf
Might have been legal for awhile but was later revoked?
https://sumterclerk.granicus.com/Met...&meta_id=30687
From a 2020 thread: 4. You cannot drive on Buenos Aires, not even to cross.
getting around with golf carts