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Build America Transportation Investment Center (BATIC) Institute: An AASHTO Center for Excellence
Build America Transportation Investment Center (BATIC) Institute: An AASHTO Center for Excellence

State by State

District of Columbia

  Route Miles Lane Miles  
Interstate Highway 12 73
Other Highway 15 63
Principal Arterials 107 437
Other Local Roads 1,381 2,873
Total 1,515 3,446
Histogram View state benchmarking data for 1992 to 2019 in graphical (histogram) format.

2016 Snapshot data is derived from the 2016 Transportation Governance and Finance.

1992-2019 data is derived from the Census Bureau, Bureau of Economic Analysis, Bureau of Labor Statistics, FHWA Highway Statistics, American Petroleum Institute, state government websites (motor fuel tax data), and toll facility owner/operator websites.