Design: — Preparation of the construction and construction plans of Esztergom and Dorog stations, — the design of the reconstruction works of the Dorog and Esztergom entrance buildings at the level of the construction plan, — the completion of the necessary modifications to the overhead cable permit and construction plans, — the preparation of cover plans between Pilisjászfalu (kiz) — Esztergom (bez) if necessary. — For the relocation of the Esztergom bus station, the preparation of road and construction plans. Execution: — Electrification of the Pilisjászfalu-Esztergom railway line, 50 Hz AC 25 kV overhead contact line construction. — 120/25 kV traction transformer substation at Esztergom-Kertváros. — Connection of Dorog Mészkőhegy traction track to the main track at section 376+ 00, — partial decomposition of the Dorog station track network. Reconstruction of the Dorog station admission building, construction of a bus turn. — Installation of transmission heating on switches and crossings equipped with interlocks. — Overhead contact line energy remote control (FET). — Construction of a railway plant building at Esztergom station. — Reconstruction of a recording building at Esztergom station. — Restructuring of Esztergom station track network, construction of freight train reception tracks. — Modification of interlocking at Esztergom station. — Transfer of bus station near Esztergom railway station