.АЯАД – AYaAD,
the Amur Yakutsk Automobile Highway,1930-37.1,157 km long, it links Bolshoi Never on the Trans-Siberian to
Yakutsk, and is designated M-56.
· БАМ – BAM, the Baikal Amur Mainline, 1933-2002.3101 km from Lena to Komsomolsk-na-Amure,
4304 km from Taishet to Sovetskaya Gavan.