  PB
Innovations
We are also responsible for the largest:
- Largest deep underground hardened defense facility
when completed in 1966
NORAD, Colorado Springs, Colorado
- Largest rail system in Asia when completed in
1995
Taipei Mass Rapid Transit System
- Largest wind farm in Southern Hemisphere
Tararua Wind Farm, New Zealand
- China's largest development project
Oriental Plaza
And the longest:
- Bored tunnel in North America when completed
in 1988
Rogers Pass, Canadian Rockies
- Cable-stayed spans over the U.S. inland
waterway system and the longest over the Ohio River
Valley system when completed in 2002
William H. Natcher Bridge, Owensboro, Kentucky/Rockport,
Indiana
- Runway in Europe when completed in 2003
(estimated)
Barajas Airport, Madrid, Spain
To read more about our many "firsts" and other significant
achievements, click
here
(Microsoft Word document - 91 kb). And to read more
about PB's history, visit Our
Heritage, and explore our Timeline.
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