The 6-foot-wide barrier will remain during two years of construction in Prospect Heights.
The Empire State Development Corporation has filed an eminent domain petition in Brooklyn Supreme Court.
The housing plan near the Barclays Center got a kickstart from the state, city and civic groups.
Parts of the Atlantic Yards apartment tower are set to arrive on the site Thursday.
Forest City Ratner has had $761 million in subsidies, but now wants to cut the amount it pays the city.
More than 200 people helped erect a new playground at Willoughby Court.
Bids were due Monday for the 6-acre Lower East Side site.
Empire State Deveopment will unveil the design of the building, known as B2, on Thursday night.
Forest City Ratner said it goofed up when it claimed the city overvalued the arena by $600 million.
The owners of the Barclays Center say the arena is worth $600 million less than it was appraised for.
Though 40/40 Club's Manhattan location has bottle service, its new Barclays Center outpost won't.
Barclays Center officials said Tuesday they'll run a "neighborly" facility without "unruly" crowds.
Officials said Thursday they want the Barclays Center to be the home of gospel music in New York City.
Hundreds of volunteers pitched in so Crown Heights kids can play safely this summer
Forest City Ratner Companies will unveil how parking and traffic will work at the new Barclays Center.
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