| 15-14 公路通车里程和桥梁数 | ||||||||||||
| Length of Highways and Number of Bridges | ||||||||||||
| 项 目 | Item | 2000 | 2010 | 2015 | 2020 | 2021 | 2022 | 2023 | ||||
| 通车里程 | (公里) | Length of Highways | (km) | 102606 | 190144 | 216023 | 221873 | 222987 | 223081 | 223391 | ||
| 按等级分 | By Class | |||||||||||
| 等级路 | Expressways and Class Ⅰto Ⅳ Highways | 93695 | 170144 | 201456 | 221651 | 222779 | 223013 | 223383 | ||||
| 高速公路 | Expressways | 1186 | 4839 | 7021 | 10488 | 11042 | 11211 | 11481 | ||||
| 一 级 | First Class | 5391 | 10126 | 10936 | 12021 | 12421 | 13337 | 13710 | ||||
| 二 级 | Second Class | 13397 | 19082 | 19213 | 19636 | 19374 | 19122 | 18066 | ||||
| 三 级 | Third Class | 9156 | 16089 | 18662 | 22403 | 23945 | 25299 | 27711 | ||||
| 四 级 | Fourth Class | 64565 | 120008 | 145624 | 157103 | 155997 | 154045 | 152415 | ||||
| 等外公路 | Highways below Class Ⅳ | 8911 | 19999 | 14567 | 222 | 208 | 67 | 8 | ||||
| 按路面分 | By Pavement | |||||||||||
| 有铺装路面 | Paved Highways | 123784 | 147976 | 221024 | 222320 | 222463 | 223001 | |||||
| 简易铺装路面 | Simply-paved Highways | 5721 | 9418 | 685 | 575 | 543 | 315 | |||||
| 未铺装路面 | Unpaved Highways | 60638 | 58629 | 164 | 92 | 75 | 75 | |||||
| 桥 梁 | (座) | Number of Bridges | (unit) | 19668 | 42330 | 45589 | 50036 | 51302 | 62112 | 67834 | ||
| (米) | Span of Bridges | (m) | 819770 | 2340261 | 3205460 | 4693655 | 4924474 | 6779767 | 8491498 | |||
| #永久式 | (座) | Number of Permanent Bridges | (unit) | 19656 | 42233 | 45501 | 49939 | 51243 | 62049 | 67805 | ||
| (米) | Span of Permanent Bridges | (m) | 819502 | 2337490 | 3202958 | 4691065 | 4923071 | 6778053 | 8490823 | |||
| 半永久式 | (座) | Number of Semi-permanent Bridges | (unit) | 12 | 52 | 48 | 67 | 31 | 33 | 19 | ||
| (米) | Span of Semi-permanent Bridges | (m) | 268 | 1391 | 1266 | 1575 | 751 | 714 | 410 | |||
| 渡 口 | (个) | Number of Ferries | (unit) | 33 | 71 | 79 | 67 | 64 | 56 | 60 | ||