| Functional System Code | Functional System | Toll Portions | Non-Toll Portions | Outside US* | Total | ||||
|---|---|---|---|---|---|---|---|---|---|
| Miles | Kilometers | Miles | Kilometers | Miles | Kilometers | Miles | Kilometers | ||
| 1 | Rural Interstate | 2,107.43 | 3,391.58 | 0.00 | 0.00 | 4.30 | 6.92 | 2,111.73 | 3,398.50 |
| 2 | Rural Other Freeways & Expressways | 49.00 | 78.86 | 0.00 | 0.00 | 0.00 | 0.00 | 49.00 | 78.86 |
| 3 | Rural Other Principal Arterial | 731.39 | 1,177.06 | 33.31 | 53.61 | 2.78 | 4.47 | 767.48 | 1,235.14 |
| 4 | Rural Minor Arterial | 27.07 | 43.56 | 10.92 | 17.57 | 0.00 | 0.00 | 37.99 | 61.14 |
| 5 | Rural Major Collector | 6.96 | 11.20 | 2.38 | 3.83 | 0.00 | 0.00 | 9.34 | 15.03 |
| 6 | Rural Minor Collector | 5.10 | 8.21 | 0.00 | 0.00 | 0.10 | 0.16 | 5.20 | 8.37 |
| 7 | Rural Local | 46.55 | 74.91 | 0.00 | 0.00 | 0.00 | 0.00 | 46.55 | 74.91 |
| Subtotal – Rural | 2,973.50 | 4,785.38 | 46.61 | 75.01 | 7.18 | 11.56 | 3,027.29 | 4,871.95 | |
| 1 | Urban Interstate | 1,087.53 | 1,750.21 | 62.40 | 100.42 | 2.50 | 4.02 | 1,152.43 | 1,854.66 |
| 2 | Urban Other Freeways & Expressways | 1,094.76 | 1,761.85 | 33.54 | 53.98 | 0.50 | 0.80 | 1,128.80 | 1,816.63 |
| 3 | Urban Other Principal Arterial | 155.83 | 250.78 | 14.04 | 22.60 | 4.33 | 6.97 | 174.20 | 280.35 |
| 4 | Urban Minor Arterial | 38.62 | 62.15 | 3.00 | 4.83 | 0.10 | 0.16 | 41.72 | 67.14 |
| 5 | Urban Major Collector | 2.90 | 4.67 | 0.00 | 0.00 | 0.80 | 1.29 | 3.70 | 5.95 |
| 6 | Urban Minor Collector | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 7 | Urban Local | 11.60 | 18.67 | 0.00 | 0.00 | 0.87 | 1.40 | 12.47 | 20.07 |
| Subtotal – Urban | 2,391.24 | 3,848.33 | 112.98 | 181.82 | 9.10 | 14.65 | 2,513.32 | 4,044.80 | |
| Total Rural & Urban | 5,364.74 | 8,633.71 | 159.59 | 256.84 | 16.28 | 26.20 | 5,540.61 | 8,916.75 | |
| NHS – Rural | 2,870.15 | 4,619.06 | 25.51 | 41.05 | 6.70 | 10.78 | 2,902.36 | 4,670.90 |
| NHS – Urban | 2,220.35 | 3,573.31 | 78.98 | 127.11 | 8.61 | 13.86 | 2,307.94 | 3,714.27 |
| Total – NHS | 5,090.50 | 8,192.37 | 104.49 | 168.16 | 15.31 | 24.64 | 5,210.30 | 8,385.17 |
* Length outside the U.S. represents facility miles/kilometers that are physically located outside the U.S. border.
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