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Future I-50/I-60/I-70 Transcontinental Pioneer Corridor
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Future I-18 Acadian-Tejas Corridor, Future I-53 Mississippi River Mound Builders Corridor
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Future I-66/I-68 Ohio River Mound Builders Historical Corridor
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Future I-63 Emancipation Underground Railroad Historical Corridor
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Future I-14 Gulf Coast Strategic Highway Corridor
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Future I-76 Lincoln Highway Historical Corridor
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Future I-49 Corridor
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Future I-27 Ports to Plains Corridor, Future I-31 Great Plains Corridor, Future I-2
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Future I-42 Conversion of U.S. 412 and U.S. 70
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Future I-69
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