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.
Autoput sa četiri vozne trake, dužine 26,2 kilometra i širine 27,5 metara, deo je projekta Koridor 8 Istok-Zapad koji povezuje bugarsko Crno more sa Albanijom i Jadranom.