Apr.17 (GMM) Bernie Ecclestone has cast doubt on whether New York will feature on next year's calendar.
The street race in New Jersey, amid the Manhattan skyline, was scheduled to join the 2013 calendar, and it emerged recently that construction of the main pit building is well underway.
But F1's chief executive said on Tuesday: "Maybe the New York race will be 2013.
"It's a when," Ecclestone told the BBC. "2013 or 2014."