List of highways in Portugal

The Portuguesse highway system is well spread out over the country. It includes the following roads as well as many national 2 lane roads.

Auto-Estrada (Highway)

• A1 is a north/south highway that goes from Lisbon to Porto
• A2 is a north/south highway that goes from Lisbon to Faro
• A3 is a north/south highway that goes from Porto to the Spanish border in the direction of Vigo
• A4 is a east/west highway that goes from Porto to Amarante and is expected to be extended to Braganca and eventually the Spanish border
• A5 is a east/west highway that goes from Lisbon to Cascais
• A6 is a east/west highway that begins when the A2 makes a downward turn and goes to the Spanish border by Elvas
• A7 is a east/west highway that goes from Vila do Conde to Vila Pouca de Aguiar
• A8 is a north/south highway that goes from Lisbon to Leira
• A9 is a north/south highway that goes from Oeiras to Alverca
• A10 is a north/south highway that goes from the A9 to connect to A13
• A11 is a north/south highway that goes from Braga to Guimaraes
• A12 is a east/west highway that goes from Loures to Setubal
• A13 is a north/south highway that goes from Setubal to Santarem
• A14 is a east/west highway that goes from Coimbra to Figuera da Foz
• A15 is a east/west highway that goes from Santarem to Peniche
• A17 is a north/south highway that goes from Aveiro to Mira but is expected to be extended to Leira
• A22 is a east/west highway that folows the Algarve coast through Faro
• A23 is a L shaped highway that goes from the A1 by Torres Novas to Guarda
• A24 is a north/south highway that goes from Viseu to Chaves and on to the Spain border
• A25 is a east/west highway that goes from Aveiro to Vilar Formoso through Viseu & Guarda
• A27 is a east/west highway that goes from Viana do Castelo to Ponte de Lima
• A28 is north/south highway that goes from Porto to Viana do Castelo
• A29 is a north/south highway that goes from Porto to Ovar but is expected to continue to hug the coast until Aveiro

Itinerario Principal

(2 lane on at least one side constantly)

• IP1 is designated as A1&A2&A3&A22
  
• IP2 is a north/south road that goes from Faro to Braganca
  
• IP3 is a north south road designated partially as A10&A24 and as its self from Coimbra to Viseu
  
• IP4 is partially designated as A4 and the remaining road to Braganca and Spain
  
• IP5 is designated as A25
  
• IP6 is designated as A23
• IP7 is designated as A6
• IP8 is a a east/west road that goes from Beja to Sines
• IP9 is designated as A27