Sweco is established in Sweden, Norway, Finland, Denmark, Estonia, Lithuania, Bulgaria, the Czech Republic, Germany, Belgium, the Netherlands, the UK, Poland and Turkey. Sweco carries out tens of thousands of projects in some 70 countries worldwide to ensure clean water, efficient infrastructure and sustainable energy solutions. The Railway line Sofia – Plovdiv in Bulgaria is part of The Trans-European Corridor No IV (Dresden - Prague - Bratislava - Gyor - Budapest - Arad - Kraiowa - Sofia - Plovdiv – Istanbul) and Corridor No VIII (Durrës/Vlora – Tirana – Skopje – Sofia – Varna/Burgas) and its modernization is among the priority projects financed with EU funds through the Operational Programme "Transport” for period: 2007 – 2013. Urban Insight is based on a series of insight reports written by Sweco experts. It is a long-term initiative with a different theme each year. The theme for 2019 is Urban Energy, focusing on sustainable energy development in Europe