WNYC

World Trade Center Construction in pictures

See all: Decade 9/11

  • 1 World Trade Center (outside) October 12, 2010

    Workers are up to the 42nd floor.

  • 1 World Trade Center (outside) October 12, 2010

    Workers are up to the 42nd floor.

  • 1 World Trade Center (outside) October 20, 2010

  • 1 World Trade Center (outside) March 30, 2011

    In the last week of March, with steel laid up to the 60th floor and concrete poured up to the 52nd floor, work began picking up at One World Trade Center. Trees were planted and the benches at the memorial plaza were being fit together. The Santiago Calatrava transportation hub was taking shape and the lunch cart has been expanded.

  • 1 World Trade Center (outside) March 30, 2011

    In the last week of March, with steel laid up to the 60th floor and concrete poured up to the 52nd floor, work began picking up at One World Trade Center. Trees were planted and the benches at the memorial plaza were being fit together. The Santiago Calatrava transportation hub was taking shape and the lunch cart has been expanded.

  • 1 World Trade Center (outside) April 23, 2010

    Construction on One World Trade Center has reached the 30th floor.

  • 1 World Trade Center (outside) April 23, 2010

    Construction on One World Trade Center has reached the 30th floor.

  • 1 World Trade Center (outside) May 18, 2010

    The first 20 floors will feature "podium glass" and should be installed by 2012.

  • 1 World Trade Center (outside) May 25, 2011

    Shortly after the killing of Osama bin Laden, New York leaders and President Obama visited the World Trade Center site and later this month, Conde Nast signed a lease making them the second tenants. One World Trade Center has now reached 66 of the planned 104 stories.

  • 1 World Trade Center (outside) May 25, 2011

    Shortly after the killing of Osama bin Laden, New York leaders and President Obama visited the World Trade Center site and later this month, Conde Nast signed a lease making them the second tenants. One World Trade Center has now reached 66 of the planned 104 stories.

  • 1 World Trade Center (outside) June 15, 2010

    On this hot blazingly hot day in June, the latest updates include nearly 20 floors with concrete poured, the placement of the granite tiles in the North pool of the 9/11 Memorial is near complete and construction has begun on the South pool.

  • 1 World Trade Center (outside) June 15, 2011

    On this week in June, following a sweltering week, One World Trade Center has poured concrete floors up to the 62nd floor.

  • 1 World Trade Center (outside) August 3, 2011

    Despite crippling summer heat, workers carried on and are on schedule to complete construction of the Memorial Plaza and Memorial Pools in time for the 10th anniversary of the September 11 terror attacks this fall. Today, One World Trade Center has 69 floors with concrete poured and 78 floors of steel.

  • 1 World Trade Center (outside) September 3, 2010

    One World Trade Center now has 36 floors completed, and Conde Nast has said they would like to lease one million square feet of space in the tower.