Autostrada A58

Autostrada A58
Tangenziale Est Esterna di Milano Milan external east ring road
Route information
Maintained by ANAS
Length	32 km (20 mi)
Existed	2014–present
Major junctions
Beltway around Milan
North end	Agrate Brianza
Major intersections	A4 in Agrate Brianza A35 in Liscate A1 in Cerro al Lambro
South end	Cerro al Lambro
Location
Country	Italy
Regions	Lombardy
Highway system
Roads in Italy Autostrade State Regional Provincial Municipal
← A 57 → A 59

Autostrada A58 or Tangenziale Est Esterna di Milano ("Milan external east ring road") is an autostrada (Italian for "motorway") 32 kilometres (20 mi) long in Italy located in the region of Lombardy. It is the second east ring road of Milan after the Autostrada A51, managed by the company Tangenziale Esterna S.p.a. The Autostrada A58 ring road connects, on the east side of Milan, the Autostrada A4 with the Autostrada A1 via the Autostrada A35.

Together with the Autostrada A50 (Milan west ring road), the Autostrada A51 (Milan east ring road) and the Autostrada A52 (Milan north ring road), it is the largest system of ring roads around a city in Italy, for a total length greater than 100 kilometres (62 mi).^[1] By adding the urban sections of Autostrada A1 and Autostrada A4, which runs parallel to the Milan north ring road by connecting Autostrada A51, Autostrada A50 and Autostrada A58, to the four ring roads, a system of urban highways that totally surrounds the city.