Transalpina is the highest paved road in Romania, having the highest point in the Urdele Pass at 2.145m. The beginnings of this road are still unclear, the first dating being during the time of the Romans during the wars with the Dacians. For this reason, in historical maps it appears as "Roman strategic corridor IV".

After World War I, King Carol II wanted to have a strategic route for the troops travelling between Transylvania and Wallachia. The King participated at the inauguration of the road in 1939, driving an all-terrain vehicle together with his wife, the future King Mihai I and Prime Minister Gheorghe Tatarescu. After this event, the road changed its name from the Devil's Path to the King's Road.

 Modernisation work began in 2009, and in 2010 it was almost completely asphalted. Until August 2015 it was considered a "Road under construction" and the access of the vehicles was restricted. However, tourists continued to cross the strategic route of Transalpina. Starting June 2016, the road was officially opened, but with some speed limits.

The King's Road starts from Saliște, passes through pastoral villages and goes down 7 km to Dobra where it meets DN 67C.

From here, the highway goes up to Obârșia Lotrului, passing by Tau and Oașa dams.

But the most impressive section of the road is located between Obarșia Lotrului and Rânca resort.

Serpentines are accompanied by a landscape that leaves you breathless.

 The route leads you to the mountain peaks Ștefanu, Cărbunele, Muntinu and Urdele, crossing the „Căldarea Urdele” (Urdele Valley) in order to get to Urdele Pass, the highest point of Transalpina at 2145m.

The road goes down to Ranca, passing by Papușa Peak (Doll Peak), the route ends in Novaci.

 For off-road adventurers, on the Transalpina Road, you can easily reach the “Strategic Road” or the “Strategica”. This is a military road built by the Germans (Erwin Rommel) during the First World War, which starts on the DN67C from 1915 m, following the ridge of Latorita Mountains.

 Today, the Transalpina route can be crossed in a few hours, depending on the stops of the traveller. At the inauguration of 1938, King Carol II traveled with his entourage for eight hours on the Novaci-Salistea route.