Funding the Interstate Highway System
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The 48,000-mile Interstate Highway System connects all corners of the United States with high-speed, limited-access roadways. Funding for new construction and ongoing maintenance comes from taxes on vehicles, tires, and -- mostly -- fuel. But as cars get more efficient and drivers shift to hybrids and electrics, gas tax revenues get smaller. Highway funds shrink as the costs of caring for an aging system grow.
The 48,000-mile Interstate Highway System connects all corners of the United States with high-speed, limited-access roadways. Funding for new construction and ongoing maintenance comes from taxes on vehicles, tires, and -- mostly -- fuel. But as cars get more efficient and drivers shift to hybrids and electrics, gas tax revenues get smaller. Highway funds shrink as the costs of caring for an aging system grow.
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