The road, a 26.2km long, 27.5m wide, four-lane highway circling the capital, is part of the East-West Corridor 8 project connecting the Bulgarian Black Sea coast to Albania and the Adriatic.
Autocesta s četiri vozna traka, duljine 26,2 kilometara i širine 27,5 metara, dio je projekta Koridora 8 Istok-Zapad koji povezuje bugarsko Crno more s Albanijom i Jadranom.