December 2001

A program to restore Port Authority Trans-Hudson (PATH) rapid-transit rail service disrupted by the September 11 terrorist attacks is approved. Planning also is authorized for a permanent World Trade Center PATH Terminal and redevelopment of the World Trade Center site.

February 2002

Work begins at Exchange Place Station in Jersey City, to repair damage and enable restoration of PATH service to the Jersey City waterfront. The Port Authority begins outlining concepts for a downtown transportation hub linking PATH, subway lines, ferry service and areas adjoining the WTC site.

July 2002

Following completion of emergency activities, responsibility and control of the World Trade Center site is transferred from New York City to The Port Authority. The Port Authority begins work on the temporary World Trade Center PATH station.

August 2002

New York Governor George Pataki and New Jersey Governor James McGreevey dedicate a World Trade Center site viewing fence with heroes’ names and other information panels. The first steel column is erected at the WTC site for the temporary PATH station.

November 2002

A groundbreaking ceremony is held for 7 WTC and the Con Ed substation.

February 2003

The Port Authority and the Lower Manhattan Development Corporation (LMDC) announce the selection of Memory Foundations by Studio Daniel Libeskind as the design concept for The World Trade Center site.

June 2003

PATH service resumes at the Exchange Place Station in Jersey City, NJ on June 29, restoring a critical link in trans-Hudson PATH service and creating greater access to expanded ferry service to Lower Manhattan.

July 2003

The LMDC begins the public environmental review process for the WTC Memorial Redevelopment Plan. The Port Authority announces the selection of Downtown Design Partnership and the internationally renowned architect Santiago Calatrava to perform preliminary engineering and architectural services for the design and construction of The World Trade Center Transportation Hub.

September 2003

A refined WTC Site Master Plan is presented.

October 2003

The Port Authority conducts public meetings for environmental review of The World Trade Center Transportation Hub.

November 2003

The temporary WTC PATH Station opens on November 23, ahead of schedule, reconnecting lower Manhattan and New Jersey.

December 2003

Design concept for The World Trade Center site’s 1,776-foot One World Trade Center is unveiled on December 19.

January 2004

Architects Michael Arad and Peter Walker present the winning design concept for The World Trade Center Memorial. Santiago Calatrava presents design concepts for The World Trade Center Transportation Hub.

December 2004

Final design of the WTC Memorial and museum is unveiled.

May 2005

Design is unveiled for The World Trade Center Cultural Center by Snøhetta.

June 2005

A revised design for the One World Trade Center is released with unprecedented life safety and security features.

July 2005

The Port Authority Board of Commissioners authorizes the $2.221 billion World Trade Center Transportation Hub project. Architect Santiago Calatrava presents his
refined design.
The Federal Transit Administration and The Port Authority announce $699 million of additional federal funding for WTC infrastructure work, and $478 million for a new World Trade Center Vehicle Security Center project.

September 2005

Construction begins on the World Trade Center Transportation Hub on September 6.

March 2006

Preliminary construction work begins on The World Trade Center Memorial on
March 13.

April 2006

The Port Authority Board of Commissioners approves the framework proposal for a new lease agreement with World Trade Center developer Larry Silverstein on April 27. Under the framework proposal, Silverstein Properties continues to build Towers 2, 3 and 4. Silverstein Properties surrenders its lease rights for the One World Trade Center and Tower 5 to The Port Authority.
Construction officially begins on the One World Trade Center on April 28.

May 2006

Seven World Trade Center opens on May 23.

July 2006

The Port Authority assumes responsibility for construction of the World Trade
Center Memorial.

August 2006

Preliminary work begins on east/west concourse for World Trade Center Transportation Hub. Construction of The World Trade Center Memorial resumes.

September 2006

The Port Authority finalizes agreements on September 21, giving The Port Authority control of construction of the One World Trade Center and Tower 5. Architectural designs for Towers 2, 3 and 4 are unveiled.

December 2006

The first steel columns for One World Trade Center are placed on December 19.

February 2008

Towers 2, 3 and 4 site turned over to Silverstein Properties.

March 2008

PATH Temporary North Access Station opens.

September 2008

First Installation of Memorial Steel.

March 2009

Excavation of first (out of 10) slurry wall panel along West Street – week of Mar 28 – Apr 3 2009

April 2009

WTC places the 1st reinforcing steel cage inside the slurry wall forming the foundation of the VSC along West Street April 24, 2009

December 2009

One World Trade Center’s height reaches more than 200 feet above street level.

March 2010

The Port Authority, Silverstein Properties and the State and City of New York announce an agreement on the development plan for the east side of the World Trade Center site on March 25.

July 2010

Discovery of ship from the mid-late 1700s (18th century) at the VSC excavation site July 14, 2010

December 2010

The Port Authority has awarded nearly 95% of the Hub’s contracts, valued at $3.4 billion, triggering progress on every inch of the Hub.
In the fourth week of December, One World Trade Center height reaches the 52nd floor, more than halfway to the top, and will rise a floor a week until complete.

February 2011

The Port Authority Board of Commissioners approves a major construction contract to fabricate and erect the steel for the Oculus designed by Santiago Calatrava on February 24.

May 2011

On May 25, the Port Authority signs a lease with Condé Nast to occupy one-third of One World Trade Center.

August 2011

First shipment of steel arrives at the site from W&W August 2011

First piece of steel erected Week of August 6-12, 2011

September 2011

On September 11, the Memorial Plaza at the National September 11th Memorial opens for the first time during a moving ceremony at the World Trade Center site.

January 2012

On January 13, the Port Authority of New York and New Jersey announces a milestone of awarding $1 billion in direct World Trade Center contracts to minority and women-owned business enterprises.

February 2012

On February 9, the Port Authority Board of Commissioners approves a joint venture with the Westfield Group to develop, lease and operate shopping and dining space at the World Trade Center site.

April 2012

On April 30, One World trade Center surpasses the Empire State Building and reclaims the title of tallest structure in New York.

June 2012

On June 14, President Barack Obama and First Lady Michelle Obama join Governors Cuomo and Christie in signing one of the last beams placed atop One World Trade Center to bring the building to its final height of 104 stories.

September 2012

On September 24, The Durst Organization launches OneWTC.com, a marketing website to attract and engage tenants from around the world.

October 2012

The Port Authority Board of Commissioners approves the construction of a major retail concourse with T.B. Penick & Sons Inc. at the World Trade Center site on October 18.

Vehicle Security Center steel topped out with a beam signing ceremony October 16, 2012

November 2012

On November 16, the iconic Spire leaves Valleyfield, Quebec on its way to
Port Newark.

VSC project resumes permanent construction (laying rebar for VSC ramp slab) Nov. 1, 2012

December 2012

The Spire arrives at Pier 25 from Port Newark on the morning of December 11.
On December 12, work crews at One World Trade Center lift the first piece of the Spire to the top of the building.

January 2013

On January 15, the first section of the Spire is installed at One World Trade Center.

February 2013

Workers begin installing high-performance glass panels on the podium wall of One WTC

March 2013

March 20, the Port Authority Board of Commissioners approve the selection of nationally renowned Legends Hospitality, LLC (Legends) to develop and operate the observation deck at the top of One World Trade Center.

May 2013

On May 10, One World Trade Center becomes the tallest building in the Western Hemisphere and third tallest in the world. The building reaches its iconic height of 1,776 feet when ironworkers place the final piece of a 408-foot spire at the top of
the building.

July 2013

The Port Authority of New York and New Jersey launches One World Trade Center Photo Contest on July 26. Nearly 1,000 images are submitted and over 75,000 votes are cast over the 30-day contest.

September 2013

On September 6, the Port Authority of New York and New Jersey announces the top three photos with the most votes in the One World Trade Center Photo Contest.
On September 11, a ceremony is held at the Memorial Plaza at National September 11th Memorial. The Port Authority of New York and New Jersey pays tribute to its employees lost on September 11, 2001 and February 26, 1993 with an Interfaith Remembrance Service at St. Peter’s Church.

The last of the tower and derrick cranes are removed from roof of One WTC September 6, 2013

A Ceremony is held at the 9/11 Memorial. The port Authority remembers its employees lost on September 11, 2001, and February 24, 1993, a service at St. Peter’s Church.

October 2013

West Concourse which links the PATH station and Brookfield  Place, is first part of the WTC Transportation Hub to open on October 24, 2013.

November 2013

Spire and Beacon lighting tested November 8, 2013

One WTC was officially ruled taller than the Willis Tower Building in Chicago, by the Council of Tall Buildings and Urban Habitat on November 12, 2013

Mayor Bloomberg, Larry Silverstein, and others cut a ribbon to mark the official opening of 4WTC, the first tower completed on the WTC site November 13, 2013.

December 2013

The Port Authority sells its remaining interest in the WTC retail project to Westfield December 4, 2013.

Masons install Mesabi Black granite floors in lobby of One WTC December 6, 2013

January 2014

January 29, 2014 First official lighting of One WTC spire

February 2014

The first PATH station Platform A opened to the public on February 15, 2014

February 21, 2014 move one of 13,000 glass window panels into place

May 2014

The 9/11 Memorial Museum is dedicated and remains open 24 hours a day through May 20 for 9/11 families, rescue and recovery workers, active duty first responders, survivors, Lower Manhattan residents, and business owners May 15, 2014

Fences around the 9/11 Memorial are removed allowing public access to the site for the first time since 2001 on May 15, 2014.

The 9/11 Memorial Museum opens to the public on May 21, 2014.

To date the Port authority has awarded minority women-owned, and small-business enterprises approximately $1.2 billion in WTC contracts May 28, 2014

June 2014

The Port Authority Board votes unanimously to advance the construction of 3WTC on June 25, 2014

Silverstein resumes construction on 3WTC June 26, 2014

September 2014

The completed glazing for the entire Tower (including hoists) occurred in September 2014

The Memorial now opened, this is the first anniversary that visitors can walk freely onto the site on September 11, 2014

In the four months since the opening, One million person visits the 9/11 Memorial Museum on September 16, 2016

October 2014

One WTC sidewalks on Vesey, West and Fulton streets open to the public October 17, 2014

November 2014

One WTC Opens its doors to anchor tenant Conde Nast on November 3, 2014

Workers install the last of the WTC Transportation Hub’s 114 steel rafters November 25, 2014

December 2014

The Duke and Duchess of Cambridge visit the 9/11 Memorial & Museum December 9, 2014.

January 2015

Passengers arrive on PATH Platform A, while work continues on Platform B January 23, 2015

The Port Authority returns to the World Trade Center moving their offices to 4 WTC March 4, 2015

First Curtain Wall Glass is installed in the Transportation Hub Oculus Mar 4, 2015

May 2015

PATH Platform B opens to the public May 7, 2015

Workers place concrete up to the 18th floor of 3 WTC May 12, 2015

Subway lines opened to public May 26, 2016

One World Observatory opens to the general public May 29, 2015

June 2015

The first glass panels are fitted into the skylight s of the WTC Transportation Hub Oculus June 3, 2015

The intersection of Greenwich and Fulton streets is opened to pedestrians for the first time in fifty years June 25, 2015

August 2015

Port Authority Police Officer Brian McGraw delivers the first baby born at the World Trade Center. The Healthy baby girl Asenat Abdrabo was born at 2:36am on PATH platform B. August 25, 2015

September 2015

Pope Francis prays at the Memorial South Pool and blesses the families of the 9/11 dead. September 25, 2015

May 2016

WTC Transportation Hub / MTA East Side Connector Opens May 26, 2016

June 2016

WTC Tower 2 entrance to PATH Opens June 21, 2016

Liberty Park Opens to the public June 29, 2016

July 2016

U.S. Court of Appeals for the Second Circuit affirms the 9/11 Memorial Museum’s right to display the Ground Zero Cross, a steel crossbeam that was salvaged from the site July 28, 2014.

August 2016

Eataly Opening -- August 11, 2016

WTC Transportation Hub Oculus Plaza Flag Raising Ceremony & Westfield World Trade Center Mall Opens For Business August 16, 2016

September 2016

 

PATH Platforms C&D Open to the Public – September 8, 2016

America’s First Response Monument Dedication Ceremony – September 13, 2016

 

HISTORY

HISTORY LINKS

WTC site layout

View Construction Photos