The contract includes new stairs, wide platforms, pedestrian underpass and barrier-free access and noise barriers at some of the stations, as well as new tracks and station building renovation at others.
The entire section will be electrified with a 25-kV overhead line. To safeguard the electricity supply for the railway line, a new power substation will be built in Dorog while the existing substation at Budapest-Istvántelek will be expanded. A new maintenance facility for the railway electrification systems will be built at Óbuda station.