Autostrada A4 (Italy)

The Autostrada A4, or Autostrada Serenissima ("Serenissima motorway"), is an autostrada (Italian for "motorway") 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.

Overview Due to the different companies that manage the different parts of the motorway, it is often referred to as formed by five sections: Turin-Milan, Milan-Brescia, Brescia-Padua, Padua-Venice and Venice-Trieste. As it runs through the whole Pianura Padana, which is a densely populated and highly industrialized area, the A4 is one of the busiest motorways in Italy.

Before World War II, three sections of the motorway were built: Turin-Milan, Milan-Brescia and Padua-Venice. The first section built was Milan-Bergamo, which opened on 24 September 1927, being just the second motorway to open, following the Autostrada dei Laghi in 1924/25. On 29 August 1931, it was extended to Brescia. On 25 October 1932, the Turin-Milan section opened, and on 15 October 1933, the Padua-Venice section.

The two sections became connected on 10 February 1962, when the Brescia-Padua section opened. The Venice-Trieste section was opened on 22 February 1970. The original road through Mestre, now designated A57 and named "Tangenziale di Mestre", opened on 3 September 1972.

A4 is a dual-carriageway, six-lane motorway for most of its length. The stretch between Milano Est tollgate and Bergamo has been an eight-lane motorway since 30 September 2007. The stretch from Venice to Trieste is instead still a four-lane motorway, but it is planned to upgrade this stretch over motorway to six lanes.

Operators Turin-Milan: SATAP Milan-Brescia: Autostrade per l'Italia (a subsidiary of Atlantia) Brescia-Padua: A4 Holding (a subsidiary of Abertis) Padua-Venice: Concessioni Autostradali Venete (since 2009; ANAS and Veneto Region joint venture) Venice-Trieste: Società Autostrade Alto Adriatico

Passante di Mestre

The passante di Mestre is a part of the A4 motorway, opened to traffic on 8 February 2009. The objective of the route is to reduce the volume of auto- and truck-based traffic passing through Mestre (a mainland frazione of Venice) to reach non-local destinations like Austria, Slovenia and other Eastern European countries.

The new includes three lanes plus one emergency lane. Each lane measures apart from the emergency lane which measures only , and the new stretch of motorway totals .

Major cities Autostrada A4 Passes through Turin, Settimo Torinese, Novara, Cusano Milanino, Cinisello Balsamo, Monza, Bergamo, Brescia, Verona, Vicenza, and Padua.

Route

TURIN - TRIESTEAutostrada SerenissimaExit↓km↓↑km↑ProvinceEuropean Route Turin C.so Giulio Cesare TO Turin Abbadia di Stura Tangenziale Nord Turin Caselle Airport Aosta Traforo del Frejus - France–Italy border TO Rest area "Settimo Torinese" TO Settimo Torinese TO BrandizzoLeinì, Volpiano TO Chivasso ovest TO Chivasso centroCaluso, Ivrea TO Chivasso est Raccordo Chivasso est TO Rondissone TO Toll gate Rondissone TO Rest area "San Rocco" -- VC Rest area "Cigliano" -- VC Cigliano VC Borgo d'Ale VC Diramazione Ivrea - Santhià Diramazione Stroppiana-Santhià Aosta Aosta Genoa VC Santhià Biella VC Carisio Biella VC Balocco VC Rest area "Villarboit" VC Greggio VC Genoa - Gravellona T. NO Biandrate-Vicolungo NO Novara Ovest NO Rest area "Novara" NO Novara Est NO Marcallo-Mesero Strada statale 336 dell'Aeroporto della Malpensa Milan Malpensa Airport MI Arluno MI Rho MI Toll gate Milano Ghisolfa MI Tangenziale Ovest di Milano Bologna Genoa Varese, Sesto C. Milan Malpensa Airport Como, Chiasso MI Rest area "Pero" MI Pero MI Varese Milan V.le Certosa Fiera Milano MI Cormano Bresso - Milan Niguarda Superstrada Milan-Meda-Cermenate MI Rest area "Lambro" MI Cinisello Balsamo-Sesto San Giovanni Superstrada Milan-Lecco-MorbegnoMilan V.le Zara MI Toll gate Milano Est MB Tangenziale Nord Milano Monza MB Tangenziale Est Milano Milan Linate Airport MB Agrate Brianza MB Tangenziale est esterna di Milano Milan Linate Airport MB Rest area "Brianza" MB Cavenago-Cambiago MB Trezzo sull'Adda MI Capriate BG Rest area "Brembo" BG Dalmine BG Bergamo Milan Bergamo Airport BG Seriate BG Grumello-Telgate BG Ponte Oglio BG Palazzolo BS Rest area "Sebino" BS Rovato BS Ospitaletto BS BreBeMi BS Rest area "Val Trompia" BS Brescia Ovest Fiera di Brescia BS Piacenza Brescia Centro Brescia Sud Poliambulanza BS Rest area "S. Giacomo" BS Brescia Est Brescia Montichiari Airport BS Desenzano BS Rest area "Monte Alto" BS Sirmione BS Peschiera VR Castelnuovo del Garda (under construction) Strada Statale 450 di Affi VR Sommacampagna Verona Villafranca Airport VR Rest area "Monte Baldo" VR Autostrada A22 Verona nord Verona Villafranca Airport VR Verona Sud VR Verona Est Transpolesana: Legnago - Rovigo VR Rest area "Scaligera" VR Soave VR Montebello VI Montecchio VI Rest area "Villa Morosini ovest" VI Vicenza Ovest VI Vicenza Est VI Piovene Rocchette Vicenza nord VI Rest area "Tesina est" VI Grisignano VI Rest area "Limenella" PD Padua OvestTangenziale di Padova PD Padua EstTangenziale di Padova PD Bologna - Padua Padua industrial area PD Rest area "Arino" VE Tangenziale di Venezia - Mestre (west) VE Spinea VE Martellago - Scorzè VE Preganziol TV Belluno Venezia Tessera Airport Tangenziale di Venezia (north) TV Tangenziale di Venezia - Quarto d'Altino (east) Venice Tessera Airport VE Meolo-Roncade VE-TV San Donà di Piave-Noventa VE Rest area "Calstorta" VE Cessalto TV Santo Stino di Livenza VE Conegliano VE Rest area "Fratta" VE Latisana Bretella Latisana UD San Giorgio di Nogaro-Porpetto UD Rest area "Gonars" VE Tarvisio Austria–Italy border - Villach - Vienna UD Palmanova UD Villesse - Gorizia Italy–Slovenia border - Nova Gorica GO Redipuglia - Monfalcone Ovest di Ronchi dei Legionari Trieste Ronchi dei Legionari Airport GO Toll gate Lisert GO Monfalcone Est GO Rest area "Duino" TS Duino TS Sistiana Trieste - Italy–Slovenia border - Rabuiese - Istria TS Spur Sistiana - Padriciano Italy–Slovenia border Ljubljana TS

A4/A5 Ivrea-Santhià connection

AUTOSTRADA A4/A5Ivrea-Santhià connectionExit↓km↓↑km↑ProvinceEuropean route Turin - Aosta TO Albiano ex del Lago di Viverone - Ivrea TO Rest area "Viverone" TO Turin - Milan Santhià VC Diramazione Stroppiana - Santhià Genoa - Gravellona Toce VC

A4/A26 Stroppiana-Santhià connection

AUTOSTRADA A4/A26A4/A26 Stroppiana-Santhià connectionExit↓km↓↑km↑ProvinceEuropean route Genoa - Gravellona Toce VC Rest area "Le Risaie" - Vercelli Ovest Rest area "Cavour" - Turin - MilanSanthià A4/5 Ivrea Turin - Aosta

Chivasso connection RACCORDO EST DI CHIVASSOChivasso connectionExit↓km↓↑km↑Province Turin - MilanExit Chivasso Est TO Rondissone Ovest Padana Superiore Verolengo del Monferrato

Latisana connection BRETELLA DI LATISANALatisana connectionExit↓km↓↑km↑Province Exit Latisana UD Roundabout SP75 della Venezia Giulia

Autostrada A4 (Italy)

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