It linked Rijeka with Karlovac through Grobničko polje, Kamenjak, Gornje Jelenje, Lokve, Delnice, Skrad, Stubica, Severina na Kupi, and Netretić. The length of Lujzijana was 18 Austrian miles (1 mile = 7.585 km). It was about 6m wide. It was the shortest route between Rijeka and Karlovac, and was one of the most modern roads in the empire. With the building of the Lujzijanam, the Karolina road became less important.