1983年12月15日，廣州鐵路局廣深鐵路公司正式成立。1986年12月衡陽分局併入長沙分局。1987年5月28日，成立廣東省三茂鐵路公司，由廣州局代管。位於廣東境內雷州半島的黎塘－湛江（黎湛線）鐵路廣東段（含茂名支線）因南寧鐵路局對黎湛線全線擁有管理權而由南寧鐵路局管理。公司旗下設有上市公司——廣深鐵路股份有限公司（香港交易所：0525、NYSE：GSH、上交所：601333 ）。
On December 15, 1983, Guangzhou Railway Bureau Guangzhou-Shenzhen Railway Company was formally established. In December 1986, the Hengyang Branch was merged into the Changsha Branch. On May 28, 1987, Guangdong Sanmao Railway Company was established, which was managed by Guangzhou Bureau. The Guangdong section of the Litang-Zhanjiang (Zhanjiang Line) Railway (including the Maoming Branch) located on the Leizhou Peninsula in Guangdong is managed by the Nanning Railway Bureau because the Nanning Railway Bureau has the right to manage the entire Lizhan Line. The company has a listed company, Guangzhou-Shenzhen Railway Co., Ltd. (HKEX: 0525, NYSE: GSH, SSE: 601333).