Up Next
Back to Show
American Experience
New York's Topography Challenges
Construction on New York's underground rail system began in 1900 with William Barclay Parsons as the project’s chief engineer. The city's topography presented a special engineering challenge for Parsons and his team. With many dips, valleys, patches of quicksand and above-ground infrastructure to take into account, digging underneath Manhattan became a monumental task.
Support Provided By
Unlock with PBS Passport
1:50:24
Follow LBJ from rural Texas to his ascendancy to the presidency after the assassination of JFK.
