Repairs of current road surfaces of streets, sidewalks, bicycle paths, squares, bays and parking lots made of paving materials in the North area of the city of Biayystok , Repairs of longitudinal and transverse cracks in bituminous pavements in the city of Biayystok and Maintenance and preservation of signs, vertical and safety devices road traffic along with the implementation traffic organization projects on the ter. the city of Bialystok in the district of North together with the area road junction, in Porosyach (EXPIRED)