Background: Nowadays, the high dynamics of transport support for economic, military, socio-demographic and environmental security in a market economy require new approaches to the development of methods for allocating land for road and bridge construction. The problems of economic and military-economic justification for decisions in the field of integrated use of the country's unified transport system are especially acute. Methods: Studies have been carried out on the development of the concept of an integrated transport system of rational correlation of general transport infrastructure using general scientific methods - system analysis, logical and mathematical modeling, systems theory, as well as methods of operations research and economic and mathematical methods, economic-visual modeling, research methods of operations. Results: The necessity of reducing the problem of efficiency criteria and limitations to a system-target model based on the structure hierarchy of the transport system and the corresponding modeling of the reconstructed system of transport support goals is substantiated. The elemental base of land allocation for road and bridge construction at the construction site has been formed. The value of a land plot is determined using a specific example of calculating the value of a land plot for the construction of a 10-kilometer highway. Conclusion: The method of substantiating the economic efficiency of the calculation in the selection and justification of the optimal technology for land allocation for road and bridge construction is considered. Control tasks for calculating the value of a land plot for the construction of a highway are presented.