Guangzhou–Shenzhen–Hong Kong Express Rail Link
https://en.wikipedia.org/wiki/Guangzhou%..._Rail_Link
I haven't had the chance to travel on the HK part yet (blue line on the map) but the Shenzhen to Guangzhou section is what I listed above. It opened in late 2018 and also runs CRH high-speed trains (200kmph).
(This post was last modified: 05-28-2019, 10:04 AM by Super.)
https://en.wikipedia.org/wiki/Guangzhou%..._Rail_Link
I haven't had the chance to travel on the HK part yet (blue line on the map) but the Shenzhen to Guangzhou section is what I listed above. It opened in late 2018 and also runs CRH high-speed trains (200kmph).