Modernization of the Zakopianka Road is probably the most expected investment in Southern Poland. Some problems occurred during the construction stage connected with protection of slopes from failure at the pre-planned highway location. This problem resulted from a relatively small amount of investment and lack of soil stabilization plans in the original construction design. Various slope reinforcing methods for the Myślenice – Pcim highway section are presented in the paper. The results of calculations with Finite Difference Method (FDM) and Limit Equilibrium Method (LEM) are presented as well.