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Tennessee's Interstate System - Other Important Links

http://www.fhwa.dot.gov/reports/routefinder/
This online publication includes a listing of all Interstate routes, their lengths, and principal cities served. The publication is updated periodically.

http://www.tfhrc.gov/pubrds/spring96/p96sp44.htm
This is a time line of significant events in the history of highway transportation in America from 1892.

http://www.fhwa.dot.gov/
The home of the U.S. Department of Transportation Federal Highway Administration, resource for many statistics on the development and current use of the Interstate system.

http://www.fhwa.dot.gov/infrastructure/history.htm
A site which collects a wealth of interstate history.