Nowadays, tourism is a phenomenon and every state or continent is trying to offer the most attractive. Transport and related services are currently a key factor in the development and functioning of international tourism. Road transport is the most widespread transport worldwide. Development traffic studies report just under 1 billion motor vehicles in use worldwide today, 1.6 billion in 2020, and 2 billions by 2030. This article deals with the issue of traffic safety sustainability in road tunnels. It describes possible major emergencies that may occur in road tunnel traffic. Based on the analysis of statistical data from the Czech Republic, which deal with major emergencies in the past 13 years, causes of these emergencies, and findings from the screening exercises of the Integrated Rescue System units, measures are proposed to reduce the negative impacts of major emergencies and to improve crisis management, all with an emphasis on the safety of persons and property. The strategic goal is to reduce the number of casualties and the seriously injured in the Czech Republic to the average level of other EU countries. Based on the survey done in lessons to be learnt from training of Rescue System in the Czech Republic are presented.