DOPRAVOPROJEKT, a.s. as the largest design and consulting-engineering organization in the Slovak Republic has been operating for 75 years. The subject of the company's activity is designing. It prepares studies, building plans, documentation for zoning decisions, building permits, as well as implementation documentation. In order to provide comprehensive services to investors, it provides consulting services, engineering activities, author's and construction supervision during construction and also focuses on property settlement of territories. The subject of project documentation are mainly highway and road constructions, railway constructions, but also urban roads and various types of land and water management constructions. DOPRAVOPROJEKT, a.s. has extensive experience in the field of designing bridges, the realization of which has won several important awards. Since 2019, the company has expanded its portfolio of services to include tunnel design. The company. It also specializes in the solution of mass transport systems, including rail transport, facilities for river transport and ports, watercourse relocations and utility networks. Its experts solve complex geotechnical problems, exploration tasks and technological problems. The company is also involved in projects in the field of transport economics, as well as the assessment of the impact of construction on the environment and the natural environment.