The main promoter of this concept was Professor Melchior Wladyslaw Nestorowicz of the Warsaw University of Technology, who organized three Road Congresses, during which a group of specialists discussed the creation of the network. On March 5, 1939, in the trade magazine Drogowiec, Professor Nestorowicz proposed a very ambitious plan for the construction of almost 5,000 kilometres of category I and II roads, based on similar programmes in Germany and Italy. Nestorowicz sketched a map of the future system with the following routes:
