As residents are now too late to organise a proper road closure you can still arrange an informal Street Meet.
If you want to plan something with your neighbours for the Great Get Together on weekend of 16 to 18 June you can still organise something more informally on, by or off the road in your street. It depends on the layout and traffic levels.
See our special Street Meet page for a wide range of ideas. As long as most neighbours agree you can do what you want, as long as you do not unreasonably disturb neighbours or block vehicles. Just keep safe, though.
Use your imagination and go for it!