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Appalachian Development Highway System
as of September 30, 2011

Map of Appalachian Development Highway System: The ADHS, when complete, will be a 3,090-mile network of highways across the 13 Appalachian states. By the end of FY 2011, 2,612.2 miles85.6 percent of the miles authorizedwere open to traffic.

 

Map of the ADHS (PDF format)