The Kuybyshevskaya Railway (Ку́йбышевская желе́зная доро́га) is a subsidiary of the Russian Railways, operates in several regions of Russia, such as Tatarstan, Bashkortostan, Mordovia, Ryazan Oblast, Penza, Tambov, Ulyanovsk, Samara, Orenburg, and Chelyabinsk Oblasts of Russia.
The headquarters of the railway are located in Samara, and the total length of its route is 11,502 km.
The oldest railway in the network is the one that connects Morshansk and Syzran, which was constructed between 1872 and 1875.
In 1880, engineers Nikolai Belelubsky and Konstantin Mikhailovsky designed the Syzran Bridge over the Volga River, which was the longest in Europe at the time.
In 1936, the network underwent a renaming to honor Valerian Kuybyshev, along with the city of Samara.