Ce tunnel est le plus long tunnel de haute altitude dans le monde[3].
↑ (en) ZHANG, Nian, TAN, Zhong-sheng, MAO, Jun, WAN, Fei et GUO, Feng, «Experimental Study on Combustion Characteristics of Fire in High-altitude Railway Tunnels», China Safety Science Journal(CSSJ), vol.21, no12, (ISSN1003-3033, lire en ligne).
↑ (en) Chen Shaohua, «Discussion on Treatment Technologies for Karstic Fissure Water in the Inclined Shafts of Guanjiao Tunnel», Modern Tunnelling Technology, vol.47, no1, (ISSN1009-6582, lire en ligne).
↑ (en) LUO, Zhanfu1, ZHI, Changying et YUE, Sheng, «Study on Partition Technology of Ventilation Inclined Shaft in Guanjiao Railway Tunnel [J]», Tunnel Construction, vol.4, no005, (ISSN1672-741X, lire en ligne).