 | ||||
|---|---|---|---|---|
| Tangenziale Est di Milano Milan east ring road | ||||
 The motorway A51 and the connecting motorways | ||||
| Route information | ||||
| Maintained by Milano Serravalle - Milano Tangenziali | ||||
| Length | 29.4 km (18.3 mi) | |||
| Existed | 1973–present | |||
| Major junctions | ||||
| Beltway around Milan | ||||
| South end | Milan | |||
 A1 in Milan A52 in Cologno Monzese A4 in Agrate Brianza | ||||
| North end | Usmate Velate | |||
| Location | ||||
| Country | Italy | |||
| Regions | Lombardy | |||
| Highway system | ||||
| ||||
Autostrada A51 or Tangenziale Est di Milano ("Milan east ring road")[1] is an autostrada (Italian for "motorway") 29.3 kilometres (18.2 mi) long in Italy located in the region of Lombardy and tangent to the city and suburban area of Milan in its eastern part, managed by Milano Serravalle – Milano Tangenziali.
Together with the Autostrada A50 (Milan west ring road), the Autostrada A52 (Milan north ring road) and the Autostrada A58 (Milan external east 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).[2] 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. The traffic flow that affects this stretch of motorway is over 170,000 daily transits.[3]
- ^ "A pag. 8" (PDF). Archived from the original (PDF) on 16 October 2013. Retrieved 1 April 2020.
- ^ "7 cose che forse non sapevi delle TANGENZIALI di Milano" (in Italian). Retrieved 13 June 2024.
- ^ "Bilancio 2007 della Milano Serravalle Milano Tangenziali Spa" (PDF) (in Italian). Retrieved 19 May 2019.