Where is the uniform European market going? The road transport sector, also referred to as the car transport sector, has a special market position in Poland, on account of, i.a., the value of the share of the GDP generated by the industry, the number of employees, and the share of the European market. Polish entrepreneurs are leading carriers in Europe, with state-of-the-art rolling stock and a scale of operations comparable to the carriers from the largest European economies. The report includes an analysis of the direct and indirect impact of introducing the MiLoG Act on the Polish road transport sector in the economic and social dimension.