Auto-estrada is the Portuguese word for motorways/freeways. Portugal has 2100 km of motorways/freeways crossing all the coast and connecting the main inland cities and towns. Several auto-estradas are linked with the spanish motorway system and, through Spain, to the rest of Europe.During the 1990s, Portugal was the country with the greatest development in the motorway network in the European Union. It had 316 km of motorways in 1990 and the number increased to 1242 km by 1999.Portuguese motorways/freeways:A1 - Auto-Estrada do Norte: Lisbon - Porto (North Motorway)A2 - Auto-Estrada do Sul: Lisbon/25 de Abril Bridge - Albufeira (South Motorway)A3 - Auto-Estrada do Minho: Porto - Valença (Minho Motorway), continues through Spain up to La Coruña, under the name Autopista del AtlánticoA4 - Auto-Estrada de Trás-os-Montes: Porto - Amarante (Trás-os-Montes Motorway)A5 - Auto-Estrada da Costa do Estoril: Lisbon - Cascais (Estoril Shores Motorway)A6 - Auto-Estrada do Alentejo: Marateca - Elvas (Alentejo Motorway), continues through Spain up to Madrid, under the spanish designation A5A7 - Auto-Estrada do Gerês: Póvoa de Varzim - Vila Pouca de AguiarA8 - Auto-Estrada do Oeste: Lisbon - Leiria (West Motorway)A9 - Circular Regional Externa de Lisboa: Alverca - Algés (Lisbon Regional Outer-Ring)A10 - Auto-Estrada do Ribatejo: Bucelas - Benavente (Ribatejo Motorway)A11 - Apúlia - AmaranteA12 - Setúbal - Montijo/Vasco da Gama BridgeA13 - Santarém - MaratecaA14 - Auto-Estrada do Baixo Mondego: Coimbra - Figueira da Foz (Lower Mondego Motorway)A15 - Caldas da Rainha/Óbidos - SantarémA16 - Lisbon - AlcabidecheA17 - Auto-Estrada da Costa Azul: Aveiro - Marinha Grande/A8 (Costa Azul Motorway)A18 - Torres Vedras - Carregado (A10)A19 - Leiria (A8) - Leiria (A1)A20 - Circular Regional Interior do Porto: Carvalhos - Francos Intersection (Oporto Regional Inner-Ring)A21 - Malveira - EriceiraA22 - Via do Infante de Sagres: Lagos - Vila Real de Santo António (Prince of Sagres Motorway)A23 - Auto-Estrada da Beira Baixa: Torres Novas - Guarda (Beira Baixa Motorway)A24 - Viseu- ChavesA25 - Auto-Estrada da Beira Alta: Aveiro - Vilar Formoso (Beira Alta Motorway), continues through Spain up to Salamanca, under the spanish designation A62A26 - Sines - Santiago do CacémA27 - Viana do Castelo - Ponte de LimaA28 - Auto-Estrada da Costa Verde: Porto - Valença (Costa Verde Motorway)A29 - Auto-Estrada da Costa de Prata: Aveiro - Porto (Costa de Prata Motorway)A30 - Sacavém - Santa Iria de AzóiaA31 - Coimbra-sul - Coimbra-norteA32 - Oliveira de Azeméis - CarvalhosA33 - Coina (A2) - Alcochete (A12)A34 - Pombal intersection (A1) - PombalA35 - Mira - MangualdeA36 - Circular Regional Interna de Lisboa: Sacavém - Algés (Lisbon Regional Inner-Ring)A37 - Sintra - BuracaA38 - Almada - Costa da CaparicaA39 - Barreiro intersection - BarreiroA40 - Olival Basto - MontemorA41 - Circular Regional Exterior do Porto: Perafita - Espinho (Oporto Regional Outer-Ring)A42 - Ermida - LousadaA43 - Porto (A20) - Aguiar de SousaA44 - Gulpilhares (A29) - A20
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