# Baotou (Yinchuan)–Hainan corridor

The Baotou (Yinchuan)–Hainan corridor (Chinese: 包（银）海通道; pinyin: Bāo (Yín) Hǎi Tōngdào) is a high-speed rail corridor and one of the eight north–south routes in China's "Eight Vertical and Eight Horizontal" network.

## Route
### Main route (Baotou-Sanya)

| Section | Section | Description | Designed speed (km/h) | Length (km) | Construction start date | Open date |
| Baotou–Ordos | Baotou–Ordos | Mid-to-long term planning | Mid-to-long term planning | Mid-to-long term planning | Mid-to-long term planning | Mid-to-long term planning |
| Ordos–Yan'an Yan'an–Yulin–Ordos high-speed railway | Ordos–Yan'an Yan'an–Yulin–Ordos high-speed railway | HSR from Ordos, run through Yulin to Yan'an | 350 | 390 | 5 November 2023 | 2028 (exp.) |
| Yan'an–Xi'an Xi'an–Yan'an high-speed railway | Yan'an–Xi'an Xi'an–Yan'an high-speed railway | HSR from Yan'an to Xi'an | 350 | 292 | 9 January 2020 | 2025 (exp.) |
| Chongqing–Xi'an high-speed railway | Xi'an–Ankang | HSR from Xi'an to Ankang | 350 | 171 | 29 September 2021 | 2025 (exp.) |
| Chongqing–Xi'an high-speed railway | Ankang–Chongqing | HSR from Ankang to Chongqing | 350 | 479 | 29 November 2022 | 2028 (exp.) |
| Chongqing–Guiyang (old) | Chongqing–Guiyang (old) | Class I railway from Chongqing to Guiyang | 200 | 345 | 22 December 2010 | 25 January 2018 |
| Chongqing–Guiyang (new) | Chongqing–Guiyang (new) | Planned HSR from Chongqing to Gui'an/Guiyang | 350 | 383 | Mid-to-long term planning | Mid-to-long term planning |
| Guiyang–Nanning | Guiyang–Libo | HSR from Guiyang to Libo | 350 | 205 | 29 December 2016 | 8 August 2023 |
| Guiyang–Nanning | Libo–Nanning | HSR from Libo to Nanning | 350 | 307 | 29 December 2016 | 31 August 2023 |
| Nanning–Hepu (old) | Nanning–Qinzhou | HSR from Nanning to Qinzhou | 250 | 99 | 11 December 2008 | 30 December 2013 |
| Nanning–Hepu (old) | Qinzhou–Hepu Qinzhou–Beihai high-speed railway (section) | HSR from Qinzhou to Hepu | 250 | | 23 June 2009 | 30 December 2013 |
| Nanning–Hepu (new) | Nanning–Hepu (new) | Planned HSR from Nanning to Hepu | 350 | ~172 | Mid-to-long term planning | Mid-to-long term planning |
| Hepu–Zhanjiang | Hepu–Zhanjiang | Planned HSR from Hepu/Beihai to Zhanjiang | 350 | 137 | 2024 (exp.) | 2025 (exp.) |
| Zhanjiang–Haikou | Zhanjiang–Xuwen | Planned HSR from Zhanjiang (West/North) to Xuwen | 350 | ~129 | Earlier than 2025 (exp.) | |
| Zhanjiang–Haikou | Xuwen–Haikou | Across Qiongzhou Strait via ferries at the moment, planned fixed link in the future | Across Qiongzhou Strait via ferries at the moment, planned fixed link in the future | Across Qiongzhou Strait via ferries at the moment, planned fixed link in the future | Across Qiongzhou Strait via ferries at the moment, planned fixed link in the future | Across Qiongzhou Strait via ferries at the moment, planned fixed link in the future |
| Hainan ring HSRs | Eastern ring | HSRs around Haikou and Sanya | 250 | 308 | 29 June 2007 | 30 December 2010 |
| Hainan ring HSRs | Western ring | HSRs around Haikou and Sanya | 200 | 344 | 2011 | 30 December 2015 |

### Branches

| Section | Section | Description | Designed speed (km/h) | Length (km) | Construction start date | Open date |
| Yinchuan–Xi'an high-speed railway | Yinchuan–Wuzhong | HSR from Yinchuan to Wuzhong | 250 (reserved for higher speed) | 74 | 9 August 2016 | 29 December 2019 |
| Yinchuan–Xi'an high-speed railway | Wuzhong–Xi'an | HSR from Wuzhong to Xi'an | 250 (reserved for higher speed) | 544 | 9 August 2016 | 26 December 2020 |
| Fankuai–Wanzhou Chongqing–Xi'an high-speed railway (section) | Fankuai–Wanzhou Chongqing–Xi'an high-speed railway (section) | HSR from Fankuai to Wanzhou | 350 | 90 | 29 November 2022 | 2028 (exp.) |