Autoestrada A4
Autoestrada A4 in Portugal | |
map | |
Basic data | |
Operator: | aenor, BRISA |
Overall length: | 223 km |
of which in operation: | 223 km |
Course of the road
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The Autoestrada A4 or Auto-Estrada de Trás-os-Montes e Alto Douro is a motorway in Portugal and part of the European route 82 . The motorway begins in Matosinhos and ends at the Spanish border at Quintanilha . The last section with the over 5 km long Marão tunnel was opened on May 8, 2016.