How fast are the elevators in sears tower?

- The Willis Tower has 104 elevators—more than any other building in the world.

- The 12 double-deck elevators carry passengers to the Skydeck on the 103rd floor at 1,600 feet per minute (18 mph).

- This is the equivalent of traveling three feet in one second.

- The observation level and the Skydeck can accommodate approximately 1.7 million visitors each year.

- The elevators' total capacity is 50,000 pounds each, the equivalent of 16 automobiles or 250 passengers.

- If all the Willis Tower elevators lined up end to end, they would stretch 1.2 miles.