Back Автомагистрала А4 (Италия) Bulgarian Dálnice A4 (Itálie) Czech Autostrada A4 (Italien) German Αυτοκινητόδρομος 4 (Ιταλία) Greek Autostrada A4 Spanish A4 (Itaalia) Estonian Autoroute A4 (Italie) French כביש A4 (איטליה) HE A4-es autópálya (Olaszország) Hungarian Autostrada A4 (Italia) Italian
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| Autostrada Serenissima Serenissima motorway | ||||
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| Route information | ||||
| Part of E55, E64 and E70 | ||||
| Maintained by ANAS | ||||
| Length | 523.1 km (325.0 mi) | |||
| Existed | 1927–present | |||
| Major junctions | ||||
| West end | Turin | |||
&sq=&lang=&file=File:Autostrada_A55_Italia.svg){kind=small} A55 in Turin&sq=&lang=&file=File:Autostrada_A5_Italia.svg){kind=small} A5 in Borgo d'Ale&sq=&lang=&file=File:Autostrada_A26_Italia.svg){kind=small} A26 in Greggio&sq=&lang=&file=File:Autostrada_A50_Italia.svg){kind=small} A50 and &sq=&lang=&file=File:Autostrada_A52_Italia.svg){kind=small} A52 in Rho&sq=&lang=&file=File:Autostrada_A8_Italia.svg){kind=small} A8 in Pero&sq=&lang=&file=File:Autostrada_A51_Italia.svg){kind=small} A51 in Carugate&sq=&lang=&file=File:Autostrada_A58_Italia.svg){kind=small} A58 in Agrate Brianza&sq=&lang=&file=File:Autostrada_A35_Italia.svg){kind=small} A35 in Ospitaletto&sq=&lang=&file=File:Autostrada_A21_Italia.svg){kind=small} A21 in Brescia&sq=&lang=&file=File:Autostrada_A22_Italia.svg){kind=small} A22 in Verona&sq=&lang=&file=File:Autostrada_A31_Italia.svg){kind=small} A31 in Vicenza&sq=&lang=&file=File:Autostrada_A13_Italia.svg){kind=small} A13 in Padova&sq=&lang=&file=File:Autostrada_A57_Italia.svg){kind=small} A57 in Venice&sq=&lang=&file=File:Autostrada_A27_Italia.svg){kind=small} A27 in Preganziol&sq=&lang=&file=File:Autostrada_A28_Italia.svg){kind=small} A28 in Santo Stino di Livenza&sq=&lang=&file=File:Autostrada_A23_Italia.svg){kind=small} A23 in San Giorgio di Nogaro&sq=&lang=&file=File:Autostrada_A34_Italia.svg){kind=small} A34 in Palmanova&sq=&lang=&file=File:Italian_traffic_signs_-_raccordo_autostradale_13.svg){kind=small} RA13 in Sistiana | ||||
| East end | Trieste | |||
| Location | ||||
| Country | Italy | |||
| Regions | Piedmont, Lombardy, Veneto, Friuli-Venezia Giulia | |||
| Highway system | ||||
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The Autostrada A4, or Autostrada Serenissima ("Serenissima motorway"), is an autostrada (Italian for "motorway") 523.1 kilometres (325.0 mi) long in Italy located in the regions of Piedmont, Lombardy, Veneto and Friuli-Venezia Giulia which connects Turin and Trieste via Milan and Venice crossing the entire Po Valley from west to east.
The city of Venice (or rather, Mestre, a mainland frazione of Venice) originally formed a bottleneck on the A4, but is now bypassed by the Passante di Mestre (the old route through Mestre was renumbered A57). The A4 passes just north of the city of Milan, where it is toll-free. It is a part of the E55, E64 and E70 European routes.