The paper deals with the current state and development of smart cities in the Czech Republic in the context of sustainable mobility and transport and the improvement of the quality of life inhabited by small-scale cities. Today, cities are exposed to many challenges and are looking for new efficient transport solutions that will ease existing infrastructure, improve public space, and promote sustainable modes of transport. The growth of individual car traffic has caused numerous social conflicts and environmental difficulties in recent decades. These problems are usually not affected by the size of cities and municipalities but the degree of urbanization. In all cities large, medium, and small, there is an imbalance between the need for transport and the geographical distribution of new areas of urban development. In accordance with the principles of sustainable development, smart cities must find an answer to how to combine the interests of the inhabitants of the area with security, parking, freight transport solutions, creating a public space with a preference for public transport, walking, and cycling. This contribution is supported by the project TACR ETA TL02000559 Safe and secure cities for pedestrians and senior citizens.