The project consists of modernisation of Marsa – Soldierska Streets, on the section from Mars junction (ul. Transnistria) to the border of the city. These streets are located within the Voivodeship Road No. 631 within the limits of Warsaw. All over the modernised section of the street. Mars, i.e. from St. Nadnieprzańska to the intersection with the streets: The Soldiers and Recructs were designed for 4 two-lane roads: 2 main roads (head traffic). GP) for transit traffic and 2 collecting and distributing roads leading local traffic to intersections with ul.: Chełmżyńska – spectacle and soldier – Rekrucka. The investor will perform the following road and engineering facilities: • viaduct within ul. Marsa above the railway tracks, overpass over the intersection of Marsa-ocularowa-Chełmżyńska and Marsa-Zołnierska – Czwartaków streets, • pedestrian and cyclists footbridge over St. Soldiers in the area of the parking lot, • viaduct within ul. Soldiers over railway tracks, • viaduct within ul. Soldiers above the crossroads from Czwartaków Street, resistance walls and acoustic screens, drainage and cleansing equipment for road surfaces, animal culverts and road fences in the forest section, new plantings, pavements, bicycle paths, walking and cycling tracks, etc.