| 都道府県 | 2026年3月31日現在 | ||||||
|---|---|---|---|---|---|---|---|
| 予定延長
(km) |
開通延長
(km) |
残延長
(km) |
整備率
(%) |
前年度
整備率 (%) |
前年比
(%) |
||
| 1 | 北海道 | 1,824.6 | 1246.6 | 578.0 | 68.3% | 66.4% | 2.0% |
| 2 | 青森 | 227.6 | 182.9 | 44.7 | 80.4% | 80.4% | 0.0% |
| 3 | 岩手 | 486.0 | 486.0 | 0.0 | 100.0% | 100.0% | 0.0% |
| 4 | 宮城 | 344.7 | 344.7 | 0.0 | 100.0% | 100.0% | 0.0% |
| 5 | 秋田 | 362.0 | 339.7 | 22.3 | 93.8% | 91.6% | 2.3% |
| 6 | 山形 | 340.2 | 292.2 | 48.0 | 85.9% | 85.9% | 0.0% |
| 7 | 福島 | 457.9 | 457.9 | 0.0 | 100.0% | 100.0% | 0.0% |
| 8 | 茨城 | 311.8 | 280.9 | 30.9 | 90.1% | 90.1% | 0.0% |
| 9 | 栃木 | 173.1 | 173.1 | 0.0 | 100.0% | 100.0% | 0.0% |
| 10 | 群馬 | 176.6 | 176.6 | 0.0 | 100.0% | 100.0% | 0.0% |
| 11 | 埼玉 | 225.1 | 225.1 | 0.0 | 100.0% | 100.0% | 0.0% |
| 12 | 千葉 | 287.2 | 262.9 | 24.3 | 91.5% | 91.5% | 0.0% |
| 13 | 東京 | 112.0 | 75.0 | 37.0 | 67.0% | 67.0% | 0.0% |
| 14 | 神奈川 | 210.4 | 139.8 | 70.6 | 66.4% | 66.4% | 0.0% |
| 15 | 新潟 | 474.6 | 440.5 | 34.1 | 92.8% | 92.8% | 0.0％ |
| 16 | 富山 | 177.1 | 177.1 | 0.0 | 100.0% | 100.0% | 0.0％ |
| 17 | 石川 | 139.9 | 123.6 | 16.3 | 88.3% | 88.3% | 0.0％ |
| 18 | 福井 | 221.1 | 205.6 | 15.5 | 93.0% | 93.0% | 0.0% |
| 19 | 山梨 | 197.0 | 185.0 | 12.0 | 93.9% | 93.9% | 0.0％ |
| 20 | 長野 | 440.0 | 353.3 | 86.7 | 80.3% | 80.3% | 0.0% |
| 21 | 岐阜 | 391.2 | 351.7 | 39.5 | 89.9% | 85.2% | 4.7% |
| 22 | 静岡 | 462.1 | 392.0 | 70.1 | 84.8% | 84.8% | 0.0% |
| 23 | 愛知 | 335.7 | 335.7 | 0.0 | 100.0% | 97.9% | 2.1% |
| 24 | 三重 | 325.0 | 293.8 | 31.2 | 90.4% | 90.4% | 0.0% |
| 25 | 滋賀 | 169.3 | 157.1 | 12.2 | 92.8% | 92.8% | 0.0% |
| 26 | 京都 | 209.9 | 189.7 | 20.2 | 90.4% | 90.4% | 0.0% |
| 27 | 大阪 | 158.8 | 149.4 | 9.4 | 94.1% | 94.1% | 0.0% |
| 28 | 兵庫 | 483.5 | 478.4 | 5.1 | 98.9% | 98.9% | 0.0% |
| 29 | 奈良 | 97.1 | 80.3 | 16.8 | 82.7% | 82.7% | 0.0% |
| 30 | 和歌山 | 217.6 | 175.2 | 42.4 | 80.5% | 80.5% | 0.0% |
| 31 | 鳥取 | 174.6 | 138.6 | 36.0 | 79.4% | 79.4% | 0.0% |
| 32 | 島根 | 289.6 | 259.4 | 30.2 | 89.6% | 84.3% | 5.2% |
| 33 | 岡山 | 325.3 | 325.3 | 0.0 | 100.0% | 100.0% | 0.0% |
| 34 | 広島 | 471.1 | 471.1 | 0.0 | 100.0% | 100.0% | 0.0% |
| 35 | 山口 | 391.2 | 296.6 | 94.6 | 75.8% | 75.8% | 0.0% |
| 36 | 徳島 | 148.4 | 136.7 | 11.7 | 92.1% | 90.0% | 2.2% |
| 37 | 香川 | 119.2 | 119.2 | 0.0 | 100.0% | 100.0% | 0.0% |
| 38 | 愛媛 | 306.4 | 255.0 | 51.4 | 83.2% | 83.2% | 0.0% |
| 39 | 高知 | 212.5 | 156.4 | 56.1 | 73.6% | 73.6% | 0.0% |
| 40 | 福岡 | 259.9 | 251.1 | 8.8 | 96.6% | 96.6% | 0.0% |
| 41 | 佐賀 | 130.5 | 117.0 | 13.5 | 89.7% | 89.7% | 0.0% |
| 42 | 長崎 | 106.3 | 94.7 | 11.6 | 89.1% | 82.0% | 7.1% |
| 43 | 熊本 | 229.1 | 199.6 | 29.5 | 87.1% | 87.1% | 0.0% |
| 44 | 大分 | 217.1 | 217.1 | 0.0 | 100.0% | 100.0% | 0.0% |
| 45 | 宮崎 | 329.2 | 264.3 | 64.9 | 80.3% | 80.3% | 0.0% |
| 46 | 鹿児島 | 249.1 | 210.5 | 38.6 | 84.5% | 84.5% | 0.0% |
| 47 | 沖縄 | 75.1 | 69.4 | 5.7 | 92.4% | 92.4% | 0.0% |
| 合 計 | 14,073.7 | 12,353.8 | 1,719.9 | 87.8% | 87.1% | 0.7% | |
*北海道管内は数値の見直しを実施
*端数処理により、計算が合わない場合がある
