The Autovía A-55 (also known as ''Autovía del Atlántico'') is an

autovía An ''autovía'' is one of two classes of major highway in the Spanish road system similar to a British motorway or an American freeway. It is akin to the autopista, the other major highway class, but has fewer features and is never a toll roa ...

Galicia (Spain) Galicia (; gl, Galicia or ; es, Galicia}; pt, Galiza) is an autonomous community of Spain and historic nationality under Spanish law. Located in the northwest Iberian Peninsula, it includes the provinces of A Coruña, Lugo, Ourense, a ...

. It is 32 km (20 miles) long and runs from the centre of

Vigo Vigo ( , , , ) is a city and municipality in the province of Pontevedra, within the autonomous community of Galicia, Spain. Located in the northwest of the Iberian Peninsula, it sits on the southern shore of an inlet of the Atlantic Ocean, the ...

to the

Portugal–Spain border The Portugal–Spain border, also referred to as "The Stripe" ( es, La Raya, pt, A Raia, gl, A Raia, mwl, La Raia), is one of the oldest borders in the world. The current demarcation is almost identical to that defined in 1297 by the Treaty o ...

, on the

Minho River The Minho ( , ) or Miño ( , , ; cel-x-proto, Miniu) is the longest river in Galicia, sharing the border with Portugal, with a length of . By discharge, it is the fourth river of the Iberian peninsula, after the Douro, Ebro, and Tagus. The Min ...

at Tui, where it connects to the A3 motorway (Portugal). The A-55 runs parallel to the

Autopista AP-9 The AP-9 or ''Autoestrada do Atlántico'' is a toll motorway in Galicia, Spain. It starts in A Coruña and runs south past the cities of Santiago de Compostela, Pontevedra and Vigo, before ending at the town of Tui, a few kilometres north of the ...

for much of its length, and also connects with the Autovía A-52 at the town of

O Porriño O Porriño (historically known in English as ) is a municipality in Galicia, Spain in the province of Pontevedra. An industrial town, in the Vigo metropolitan area, it is an important economic dependency. One of its main industries is granite p ...

. Between Vigo and O Porriño, the autovía is an upgrade of the N-120 road, and between O Porriño and the Portuguese border it is an upgrade of the N-550. For the final 5 km (3 miles) of its length, from the end of the AP-9 north of Tui to the Portuguese border and the A3 autoestrada, the A-55 forms part of

European route E01 European route E1 is a series of roads in Europe, part of the United Nations International E-road network, running from Larne, Northern Ireland to Seville, Spain. There is a sea crossing between Rosslare Harbour, in Ireland, and Ferrol, but ...

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References

{{DEFAULTSORT:Autovia A-55 A-55 A-55