Length: 296 km
Started in 1961 and completed in 1991, the A1 motorway with a total length of 296 kilometres is the main road axis in Portugal connecting Lisbon to Porto.
Length: 235 km
Completed in 2002, the A2 motorway is the main road link to the Algarve. It starts on the left bank of the Tagus in Almada, crosses the Sado Basin through vineyards and plains, passing Palmela, the historic town of Alcácer de Sal, Grândola, the mining region of Aljustrel and the vast plains of the Alentejo in Castro Verde. It arrives at the Algarve in São Bartolomeu de Messines and ends on the A22 motorway - Via Longitudinal do Algarve.
Length: 113 km
The A3 motorway is the main link to the north of Spain. The motorway starts at the Oporto Ring Road, and after leaving the A4 motorway at Águas Santas, it crosses the fertile region of Santo Tirso and Famalicão, approaching the city of Braga, also called the city of the archbishops. From Braga, the A3 motorway continues through Ponte de Lima, where it starts the magnificent crossing of Serra de Arga, continuing towards the valley of the Minho River, in Valença, up to Galicia in Spain.
Length: 51 km
The A4 motorway is the most important link to the inland north of the Douro River, connecting Porto to Amarante. The motorway starts on the A3 at Águas Santas, and continues through Ermesinde, Valongo up to the valley of the Sousa River. From Paredes, it heads for Penafiel and ends on the luxurious margins of the Tamega River, in Amarante.
Length: 25 km
The A5 is the main road linking Lisbon to Cascais. It starts on the bottom of the Serra de Monsanto, crossing the valley of the Jamor river and the A9/CREL motorway. It continues through Oeiras, Carcavelos, Estoril and ends near the Natural Park of Sintra-Cascais at a few kilometres from the Guincho Beach.
Length: 158 km
The A6 motorway is the main connection to Spain, establishing the Lisbon-Madrid axis. Starting on the A2 motorway near Marateca, the A continues through Montemor-o-Novo, Évora, crosses the marble region of Serra da Ossa, Estremoz and Borba. It heads for Elvas on the Spanish border, crossing the vast and fertile fields of the Guadiana estuary.
Length: 34 km
The A9 is an important corridor around Lisbon and north of the Tagus river, connecting to the A5- Auto-estrada da Costa do Estoril and the A1 - Auto-estrada do Norte. It starts near the National Stadium, on the valley of the Jamor river, stretches out through Queluz, where it honoured the Natural Monument of Carenque, having preserved its dinosaur tracks. It continues through Odivelas, Loures and ends at Alverca, where it connects to the A10.
Length: 40 km
The A10 is a multi functional itinerary serving road users travelling north from the central and western part of Outer Lisbon, via CREL, avoiding major traffic flows from the capital up to Vila Franca de Xira. It also serves those travelling from the Centre-West of Portugal to the Algarve, avoiding the passage through Lisbon. It is the road connecting the A9/CREL in Bucelas to the A13, in Benavente. It crosses exuberant vineyards at Arruda dos Vinhos and many viaducts up to Carregado, where it intersects with the A1 motorway. It continues through the spectacular Leziria bridge over the Tagus and surrounding plains throughout 12 kilometres of bridges and viaducts.
On the South bank of the Tagus river, the A12 is the main road connecting Montijo to Setúbal. The motorway begins at the exit of the Vasco da Gama Bridge, on the Natural Reservation of the Tagus Estuary crossing the A2 - Auto-estrada do Sul and stretches throughout corn and sunflower fields and vineyards up to Setúbal, city of Bocage the poet, on the estuary of the Sado River next to Arrábida.
Length: 79 km
The A13 establishes the link between the north of Lisbon and the Algarve, linking the A1 - Auto-estrada do Norte in Santarém and the A2 - Auto-estrada do Sul, at Marateca. The motorway starts at Marateca, crosses Pegões, Santo Estêvão, intersects the A10 and stretches out north through Salvaterra de Magos, ending near the town of Almeirim.
The A14 is the main link between the city of Coimbra and the main seaside resort area of central Portugal Figueira da Foz, where it ends after crossing the Mondego river rice fields.