freebeer
Greetings, dashingly-dressed New Wave singer:
The troublesome traffic island can be represented as a cutout in a multi-polygon that engulfs your mapped parking areas as well as the traffic aisles.
I'd show you an example, like near one of those deleted hotel buildings, but I've none at hand for a quick URL.
The landuse of the cutout can be left unset, or you could tag it appropriately, I dunno, a Pokémon Park to keep those ankle-biters occupied or something.
I would have given it a go whilst inspecting the aerial imageries, but the point where I'd discontinue the area mapping of the car park in transition to the linear drive-thru mapping was not a call I felt like making.
(Plus my editing session succumbed quickly to the out-of-memory killer, perhaps a hint I should actually resolve bug-reports rather than opening a few hundred in different tabs for later reference.  Or disable Javascript for OSM.  Or clean out the soggy leaky-roof mouse-infested gnawed-and-urinated-upon-with-copious-black-pellets damaged items from the roof crawlspace in order to better get at the storm-damaged areas.  Which is known as Getting A Life, but somewhat less inviting.)
Not sure if this was any help...
