EN
The paper presents the development of road gullies in the area covered with loess deposits. The study showed a substantial rate of the development of loess road gullies which averaged 4.5 cm⋅year–1, the minimum rate being 3 cm⋅year–1, and the maximum of 9 cm⋅year–1. The deepening of the gullies increased with exploitation time, drainage area and with longitudinal slope.