Gbọ̀ngàn Ìdúnádúrà Àgbáyé

(Àtúnjúwe láti World Trade Center)
World Trade Center Towers
The Twin Towers of the World Trade Center in March 2001.

World Trade Center Towers were the world's tallest buildings from 1972 to 1973.[I]
Record height
Preceded byEmpire State Building
Surpassed byWillis Tower
General information
LocationNew York City
StatusDestroyed


Complete
Constructed1 WTC: 1966–1972
2 WTC: 1966–1973
3 WTC: 1980-1981
4, 5, & 6 WTC: 1975-1979
7 WTC: 1985-1987
DestroyedSeptember 11, 2001
Height
Antenna or spire1 WTC: 1,727 ft (526.3 m)
Roof1 WTC: 1,368 ft (417.0 m)
2 WTC: 1,362 ft (415.0 m)
Top floor1 WTC: 1,355 ft (413.0 m)
2 WTC: 1,348 ft (411.0 m)
Technical details
Floor count1 & 2 WTC: 110 floors
3 WTC: 22 floors
4 & 5 WTC: 9 floors
6 WTC: 8 floors
7 WTC: 47 floors
Floor area1 & 2 WTC: 4,300,000 sq ft (400,000 m2)
4, 5, & 6 WTC: 500,000 sq ft (50,000 m2)
7 WTC: 1,868,000 sq ft (170,000 m2)
ElevatorsBoth had 99 elevators
Companies involved
Architect(s)Minoru Yamasaki
Emery Roth & Sons
Structural engineerLeslie E. Robertson Associates
ContractorTishman Realty & Construction Company
OwnerPort Authority of New York and New Jersey

^ Fully habitable, self-supported, from main entrance to highest structural or architectural top; see the list of tallest buildings in the world for other listings.