The Autostrada A4, or Serenissima, is a
motorway
A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms ...
which connects
Turin
Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
and
Trieste
Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into pr ...
via
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
and
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
. The city of Venice (or rather,
Mestre
Mestre () is a borough of the '' comune'' (municipality) of Venice, on the mainland opposite the historical island city in the region of Veneto, Italy.
Administratively, Mestre forms (together with the nearby Carpenedo) the ''Municipalit� ...
which is the "land" part 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.
Due to the different companies that manage the different parts of the motorway, it is often referred to as formed by five sections:
Turin
Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
-
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
,
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
-
Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and '' comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...
,
Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and '' comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...
-
Padua
Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
,
Padua
Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
-
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
and
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
-
Trieste
Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into pr ...
. As it runs through the whole
Pianura Padana, which is a densely populated and highly industrialized area, A4 is one of the most trafficked motorways of Italy.
A4 is a dual-carriageway, six-lane motorway for most of its length. The stretch between
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
o Est
tollgate and
Bergamo
Bergamo (; lmo, Bèrghem ; from the proto- Germanic elements *''berg +*heim'', the "mountain home") is a city in the alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from Switzerland, the alpine lakes Com ...
has been an eight-lane motorway since 30 September 2007. The stretch from
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
to
Trieste
Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into pr ...
is instead still a four-lane motorway, but it is planned to upgrade this stretch over motorway to six lanes.
Operators
*
Turin
Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
-
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
:
SATAP
*
Milan
Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city ...
-
Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and '' comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...
:
Autostrade per l'Italia (a subsidiary of
Atlantia)
*
Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and '' comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...
-
Padua
Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
:
A4 Holding (a subsidiary of
Abertis)
*
Padua
Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
-
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
:
Concessioni Autostradali Venete (since 2009;
ANAS
''Anas'' is a genus of dabbling ducks. It includes the pintails, most teals, and the mallard and its close relatives. It formerly included additional species but following the publication of a molecular phylogenetic study in 2009 the genus was s ...
and Veneto Region joint venture)
*
Venice
Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...
-
Trieste
Trieste ( , ; sl, Trst ; german: Triest ) is a city and seaport in northeastern Italy. It is the capital city, and largest city, of the autonomous region of Friuli Venezia Giulia, one of two autonomous regions which are not subdivided into pr ...
:
Autovie Venete
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
A ''frazione'' (plural: ) is a type of subdivision of a '' comune'' (municipality) in Italy, often a small village or hamlet outside the main town. Most ''frazioni'' were created during the Fascist era (1922–1943) as a way to consolidate terri ...
'' of Venice) to reach non-local destinations like
Austria
Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
,
Slovenia
Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, and ...
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
A4 Passes through
Turin
Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...
,
Settimo Torinese
Settimo Torinese ( pms, Ël Seto) is a ''comune'' in the Metropolitan City of Turin, in Piedmont, Italy. The name ''settimo'' means "seventh", and it comes from the comune's distance from Turin, which is seven Roman miles. It is bordered by the oth ...
,
Novara
Novara (, Novarese: ) is the capital city of the province of Novara in the Piedmont region in northwest Italy, to the west of Milan. With 101,916 inhabitants (on 1 January 2021), it is the second most populous city in Piedmont after Turin. It i ...
,
Cusano Milanino
Cusano Milanino (local lmo, Cusan ) is a town and ''comune'' in the Metropolitan City of Milan, in Lombardy. Cusano Milanino is about 13 kilometers far from the center of Milan.
It borders Paderno Dugnano, Cinisello Balsamo, Cormano and Bress ...
,
Cinisello Balsamo
Cinisello Balsamo (; ) is a '' comune'' (municipality) of about 75,200 inhabitants in the Metropolitan City of Milan in the Italian region of Lombardy, about northeast of Milan city center.
Cinisello Balsamo borders the following municipalities: ...
,
Monza
Monza (, ; lmo, label= Lombard, Monça, locally ; lat, Modoetia) is a city and ''comune'' on the River Lambro, a tributary of the Po in the Lombardy region of Italy, about north-northeast of Milan. It is the capital of the Province of Mo ...
,
Bergamo
Bergamo (; lmo, Bèrghem ; from the proto- Germanic elements *''berg +*heim'', the "mountain home") is a city in the alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from Switzerland, the alpine lakes Com ...
,
Brescia
Brescia (, locally ; lmo, link=no, label= Lombard, Brèsa ; lat, Brixia; vec, Bressa) is a city and '' comune'' in the region of Lombardy, Northern Italy. It is situated at the foot of the Alps, a few kilometers from the lakes Garda and Iseo ...
,
Verona
Verona ( , ; vec, Verona or ) is a city on the Adige River in Veneto, Italy, with 258,031 inhabitants. It is one of the seven provincial capitals of the region. It is the largest city municipality in the region and the second largest in nor ...
,
Vicenza
Vicenza ( , ; ) is a city in northeastern Italy. It is in the Veneto region at the northern base of the ''Monte Berico'', where it straddles the Bacchiglione River. Vicenza is approximately west of Venice and east of Milan.
Vicenza is a thr ...
, and
Padua
Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
.
Junctions
See also
*
Tangenziale di Milano
*
Tangenziale di Padova The GRAP (''Grande Raccordo Anulare di Padova'') is the orbital motorway surrounding Padua, northern Italy. It is also called ''Tangenziale di Padova''.
Usually, it consists of 2 lanes and 1 emergency lane for a dual carriageways. The only excepti ...
*
Tangenziale di Venezia
The Tangenziale di Mestre (Mestre beltway), or Autostrada A57, was opened to traffic on 3 September 1972 in northern Italy.
Overview
The original design was to have a central dual carriageway as Autostrada A4 (motorway A4), and alongside a sepa ...
References
External links
Autostrade per l'Italia website last accessed on 1 November 2008
Autostrada Brescia-PadovaAutostrada Padova-VeneziaAutovie Venete
Official website of the passante di Mestre
{{Autostrade
A04
Transport in Piedmont
Transport in Lombardy
Transport in Veneto
Transport in Friuli-Venezia Giulia