US National Archives
Our Documents: National Interstate and Defense Highways Act (1956)
This great resource gives the history of building interstate highways as far back as the Roosevelt administration. Find out why President Eisenhower thought a system of interstate highways was so important to the U.S. economy and defense.
Digital Public Library of America
Dpla: Two Hundred Years on the Erie Canal
Learn about the Erie Canal, one of the most famous man-made bodies of water in the world. Completed in 1825, the Erie Canal connected the port of New York City on the Atlantic Ocean with the Great Lakes transforming trade, industry, and...
Other
Landscape Change Program: History and Impact of the Interstate Highway System
Read about the reasons behind Federal Highway Act, which resulted in the interstate highway system. Find out about the contruction of the highways, and the cultural impact caused by such highways bypassing so many towns throughout the...