The paper is written in the form of a scientific essay. The method used was the analysis of historical and contemporary planning materials, starting from the interwar period. Extensive specialist literature has been studied, especially that which raises the issue of the urban, architectural and cultural values of Zamość. It provides an analysis of the “Draft of the Zamość Development Plan of 1939” (“Szkicowy projekt planu zabudowania Zamościa z 1939 r.”) by the architect Jan Zachwatowicz and the urbanist Władysław Wieczorkiewicz. The paper also describes the circumstances leading to the foundation of Zamość. It draws attention to the elements missing from the contemporary urban development plans of the town, which were present in the excellent pre-war planning work. It also underlies the importance of municipal public transport, which should always be the basis for the delimitation of functional zones. It also includes a brief discussion of the 1994 “General Local Plan for the Spatial Development of the City of Zamość” („Miejscowy plan ogólny zagospodarowania przestrzennego miasta Zamościa z 1994 r.”), which, according to the author, is the best planning document produced after the Second World War. The aim of the study was to highlight those elements that coincided with the idea of the 1939 plan sketched by Jan Zachwatowicz and Władysław Wieczorkiewicz. The paper uses the method of footnotes, which refer the reader to the relevant source material and may also provide additional commentary on the presented content. The three illustrations are photographs of maps (charts) of the 1939 plan. They are also included in the 2018 scholarly monograph “Cartographic zamostiana” („Kartograficzne zamostiana”) by Wojciech Przegon and Jakub Żygawski.