The Ljubljana Ring Road (Slovene: Ljubljansko vozlišče, Ljubljanski obroč) is a motorway ring road around the city of Ljubljana. The ring road forms the main hub of the Slovenian motorway network and connects to the A1 and A2 motorways. It was built from 1979 till 1999 and consists of four bypass sections: the northern bypass (ljubljanska severna obvoznica), the eastern bypass (ljubljanska vzhodna obvoznica), the southern bypass (ljubljanska južna obvoznica), and the western bypass (ljubljanska zahodna obvoznica). The ring road itself is signed as the A1 on the southern and eastern parts, the A2 on the western and southern parts, while the northern sections are signed as the expressway. The outer ring is 29.1 km long, while the inner ring is 28.65 km long. The average daily traffic (AADT)