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Geoinformation support in the form of large cartographic atlases of complex content is intended to decide the issue of the Baikal region development, as the Lake Baikal catchment basin has a special nature management regime. Therefore transport maps among other industry maps are important for the analysis of regional development of the region. The compilation of transport maps requires presentation of all objects, processes, phenomena and interactions of the transport complex. In order to streamline the structure of thematic layer formation and the system of cartographic signs for displaying transport, a semantic classification of cartographic signs of transport systems was developed. Initially, we analyzed a large number of maps from various geographic atlases of various territorial levels. Then we generated a semantic database of transport maps. The developed classification streamlined the structure of the thematic layers of transport maps and, generally, the system of cartographic signs for transport layer. In the event of compiling a map of transport impact on the environment, we selected several semantic parameters that characterize the transport complex and individual indicators of transport impact on the environment. Consequently we created a map of transport impact on the environment in the Baikal basin. Then we analyzed the transport impact within the Lake Baikal catchment area on the basis of the created maps, as well as other literature and statistical sources. This analysis enabled conclusion about the fact that the greatest pollution of the Lake Baikal catchment area comes from automobile and water transport.

Without a stable working transport infrastructure, intensive development of tourism and recreational activities is impossible; therefore, it is necessary to assess the possibilities of transport on the territory of the Central Ecological Zone of the Baikal Natural Territory (CEZ BNT). For this purpose, the author has analyzed the transport infrastructure in CEZ BNT within the boundaries of the districts of the Irkutsk Region. The author has studied in detail the main types of the transport system, their geographical location as well as infrastructure facilities of transport in the territory of CEZ BNT. Moreover, the author has assessed the functioning of transport in this area to ensure the development of tourism and recreational activities. The author has also analyzed the volume of transported passengers in the regular passenger routes and the number of transported passengers and vehicles on ferry crossings. The analysis of transport has identified some problems, the solution of which is necessary for better service to the population and the economy. In this regard, the author has proposed some recommendations for solving problems as well as scenarios for the optimal development of transport in the territory of CEZ BNT. For a more holistic analysis of the territory, geoinformational mapping of transport areas of the Irkutsk Region included in CEZ BNT has been performed, which shows the main types of transport (railways, highways and waterways), temporary accessibility to the regional center and main infrastructure facilities (gas stations, ports, wharves, airports, runways, and helipads).