The Guiyang-Guangzhou high-speed railway started testing on October 4. Its first trial operation turned out very optimistic, reaching a speed of 275 kilometers per hour, a record in the history of high-speed railways in Guizhou province.

The Guiyang-Guangzhou high-speed railway[Photo/gzgov.gov.cn]

Recently, to ensure the smooth operation of the newly-established Guiyang-Guangzhou high-speed railway, technicians have conducted a series of technical adjustments and investigations, including railways, bridges and communication signals testing.