Is there a high-speed rail under construction near Guanlan Zhangge?

Not here. According to the official website of Guanlan Natural Resources and Planning Bureau, there is no high-speed railway under construction near Guanlan Zhangge, but there are lo wu station, Shenzhen North Station and Shenzhen East Station in Shenzhen. In recent years, Shenzhen has no plans to build high-speed railway station, and Guanlan is remote, so Shenzhen will not invest in high-speed railway station near Guanlan Zhangge. High-speed rail refers to the railway with a maximum running speed of 200km/h or above.