Civil What?
Interstate Highway System
One of the primary reasons for building the interstate highway system was to improve the safety of highway users: drivers, passengers & pedestrians.
San Francisco Cable Cars
The world's first commercial cable car system was developed for San Francisco by Andrew Hallidie in 1873.
Boston's Subway System
Built in 1900, Boston's was the first subway system in the US.
The Chunnel
Completed In 1994 and 31 miles long, the chunnel is the longest tunnel linking two nations – France and England.
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Photos courtesy of: interstate highway system - ASCE purchased rights; San Francisco cable cars - afagen on FlickR; map of Boston subway - Norman B. Leventhal Map Center at the Boston Public Library; Chunnel - © PASCAL ROSSIGNOL/Reuters/Corbis
