It is the highest road in Romania, having the highest point in the Urdele Pass (at 2,145 m). The road connects the towns of Novaci in Gorj County and Sebes in Alba County. Being a mountain road, it is closed during the winter.
Transalpine crosses four counties - Gorj, Vâlcea, Sibiu, Alba - crossing the Parâng Mountains from the south to the north, the highest altitude having a 20 km section in Valcea County, where it presents itself as a "highway (2.084 m), Păpuşa (2.136 m), Urdele (2.228 m), Iezer (2.157 m) and Muntinu (2.062 m).