The A22 (Portuguese: Via do Infante de Sagres) is the principal motorway (freeway) in the Algarve, Portugal. Named after Henry the Navigator, it connects Lagos to Castro Marim and connects to the A-49 Motorway (Spain) on the Guadiana International Bridge over the Guadiana River. It is also part of European route E01. The A22 is operated by . Construction on A22 began in 1991 and was completed in 2003. It extends 133 km. As of 2011 it has become a toll road.