Due to the visit of world leaders for the 68th Session of the United Nations General Assembly and other High-Level Meetings, there will be street closures and other traffic restrictions, security check points, and extremely limited parking in the vicinity of the United Nations from Monday, September 23, 2013 through Wednesday, October 2, 2013.
See the details on road closings, other restrictions and help numbers at UN_General_Assembly_20130917