The subject of the project is the modernisation of the railway line No. 7 on the Otwock – Lublin section (from 26.050 km to 175.850 km), together with work on the travelling line no.30 on the Łuków-Parczew section and preparation of project documentation for the section Warszawa Wschodnia – Otwock. The implementation of the investment provides for: remodeling of the tracks (the second track’s good on pc. Otwock-Pilava, easing arches), modernisation, reconstruction and construction of new engineering facilities: bridges, viaducts, culverts, pedestrian crossings, replacement of overhead and traffic control systems (computer controlled), construction of animal crossings, reconstruction of platforms and their equipment, construction of traffic control system, construction of acoustic screens, renovation of the drainage system of the railway line. In addition, in order to provide a touring route for trains during the modernisation of railway line No. 7, the project and construction works on the Łuków-North Lublin railway line on the Łuków-Parczew section were planned.