VIADUKT dd is a provider of products and services such as culvert installation contractors, post-construction, road and railway,civil engineering contractors with own design facilities,civil engineering contractors without own design facilities,transport infrastructure design,drainage system contractors, airfield runway and road,noise barrier installation contractors, road and motorway,on-site recycling of road and motorway surfacing materials,pumps for the building and construction industry (hire/rental),products, expanded concrete, for the building industry,paving, concrete, prefabricated,concrete, ready-mixed.