Linking the Power of the Past to the Promise of the Future
An AASHTO Clearinghouse of Interstate Events and Information
The year 2006 marks the 50th anniversary of the federal law that brought America its unparalleled Interstate Highway System. This 46,508-mile web of superhighways has transformed our nation and our economy. It is a symbol of freedom and a tribute to human ingenuity—although some of the changes it has brought our nation have been controversial.
On this website, the American Association of State Highway and Transportation Officials (AASHTO), which represents the state departments of transportation in the 50 states, the District of Columbia, and Puerto Rico, will introduce you to the history of the Interstate Highway System, plans to "Celebrate the Interstate!" both nationally and in individual states, and some of the policy questions the nation faces as we look to the next 50 years in U.S. transportation. Welcome!
Looking to the Future
As we move from a celebration of the history of the past 50 years of the Interstate Highway System, we will be sharing presentations, papers, and links on what the future of the system may be. Many of the most prominent and distinguished members of the highway community have participated in the process of this look forward and we want you to be a part of it, too.
On June 29, 2006 AASHTO and the Transportation Construction Coalition held a joint Policy Forum in Washington, DC, "Fifty Years and Looking Forward," to celebrate the past 50 years of the Interstate Highway System and to see what the next fifty years might bring.
Policy Forum Recap by Janet Kavinoky for the AASHTO Journal, June 30, 2006.
NCHRP Technical Memoranda
As part of the "Fifty Years and Looking Forward" policy forum, the following Technical Memoranda, produced by the National Cooperative Highway Research Program (NCHRP) were presented in draft form.
The Interstate and National Highway System – A Brief History and Lessons Learned (PDF)
The Economic Impact of the Interstate Highway System (PDF and Accompanying Tables)
Policy Issues and Scenarios (PDF)
Demographic, Economic and Travel Demand Projections (PDF)
The Now and Future Interstate System by Mary Peters for Better Roads Magazine, May 2006.
Visions of America's Transportation Future by Scott Horsley for National Public Radio, June 29, 2006.
An Interview with Gene McCormick: The Future of the Interstate podcast from McGraw-Hill Construction.
The Future of the Interstate System by Senator Jim Jeffords for ARTBA Transportation Builder Magazine. (PDF)
What Comes After the Interstate? by Robert Dunphy for Urban Land, March 2006.
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