The Construction Department No. 1 branch of DSK AVTOBAN, OJSC was established in 2012 as a result of the reorganization of the Nizhny Novgorod Branch, subsequently, in November 2016, it was reorganized into Construction Department No. 911, LLC (SU-911, LLC). During the period of formation, the main project of the business unit was the section of M-4 Don highway reconstruction from Moscow through Voronezh, Rostov-on-Don, Krasnodar to Novorossiysk on the km 1227 — km 1240 section, Krasnodar Territory, 13 km long, which was delivered ahead of schedule in December 2012. Over the years of its existence, the construction department has performed work on such large projects as: M-4 Don — from Moscow through Voronezh, Rostov-on-Don, Krasnodar to Novorossiysk on the km 1227 — km 1240 section; M-8 Kholmogory — from Moscow through Yaroslavl, Vologda to Arkhangelsk on the Moscow Ring Road — Pushkino section; construction and reconstruction of the Moscow Big Ring at the intersection with M-7 Volga highway; construction and reconstruction of sections, construction of an interchange at M-7 Volga; construction of a Moscow — St. Petersburg high-speed highway (phase 1); CRR-3; construction and reconstruction of M-8 Kholmogory highway.