They are doing (or just did) the same thing to Connecticut residents. They sort of ambushed everybody by not giving out any details like number of planes, type of planes, height, etc.
They stated
The FAA states routing aircraft over parts of Fairfield County would save 12 million minutes of delays per year at area airports, compared to current routes over Putnam and Westchester Counties in New York.
I don't know if that got through or not but the quote above is from the end of April, like a week befor ethe hearing on it.