As Interstate Highway System approaches the 50-years mark, the system's future is becoming a subject of growing discussion.
The National Commission will face a vastly different set of circumstances than those that prevailed twenty five years ago when the Interstate system was reaching completion. Since 1980, traffic on the Interstates has more than doubled --- from roughly 296 billion VMTs [vehicle-miles traveled] in 1980 to more than 702 billion VMTs in 2003--- while capacity of the system has remained virtually unchanged.
...Highway capacity will need to be expanded in critical places to keep pace with projected growth in vehicle-miles of personal travel and freight movements. Additionally, new infrastructure will have to be provided to accommodate emerging new population concentrations and changing travel patterns."
Thanks to Chris Steins
Read the full story: Beyond the Interstate Highway System: It May Be Time To Rethink The State-Federal Relationship
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City of Rosemead
Rutgers University, Edward J. Bloustein School of Planning and Public Policy
One Hundred Miles
University of Michigan School for Environment and Sustainability (SEAS)
Hunter College, City University of New York (CUNY)
The Architects Foundation
City of Cambridge
Montrose County
The Pocatello Development Authority