The Three Ages of Philadelphia
Philadelphia was founded in 1682 when a shipload of 70 arrived with William Penn from England. Origins of this all-religious colony are described. Though a half-century younger than New...

Washington Metro: Our National Model
The first segment of Washington D.C.'s rapid transit railway is now open. The system features a host of engineering innovations in the areas of aerial structures, tunneling,...

Desperate Need to Slash Construction Cost of New Subways
Subways and subway stations cost far too much to build in the U.S. Whereas Londoners recently built 3-1/2 miles of subways and subway stations for only $18,000,000, the Washington Metro...

Washington Metro Access Facilities
The 98 mi (158 km) Metro system will have 82 stations. There will be an off-street bus terminal at 54 of the stations with an average of six modified saw-tooth off-street bus bays at each...

The Sinking of the Amsterdam Metro
Subway construction was not practical in Amsterdam, The Netherlands, until this new placement technique. Most of the buildings in Amsterdam rest on old, untreated wooden piles that would...

 

 

 

 

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