The A22 Via do Infante
2003
Context: The A22 motorway, completed in 2003, provided the Algarve with its first modern east-west highway, replacing the congested EN125 as the region's main traffic artery.
The A22 motorway, officially named the Via do Infante de Sagres in honour of Prince Henry the Navigator, runs east to west across the Algarve, connecting the Spanish border at the Guadiana Bridge to the Lagos area in the west, a distance of approximately 133 kilometres. Completed in stages with the final sections opening in 2003, the motorway represented the largest single infrastructure investment in the Algarve's history and fundamentally changed the region's internal connectivity and its links to the rest of the Iberian Peninsula.
Before the A22, the Algarve's east-west traffic was funnelled through the EN125, a single-carriageway national road that passed through every town and village along the coast. The EN125 was notorious for its congestion, accident rate and the frustration it caused to both residents and visitors. Journey times between Lagos and Faro could stretch to two hours or more during the summer peak, and the road's passage through built-up areas created noise, pollution and safety hazards for local communities.
The A22 was built further inland than the EN125, running through the barrocal zone behind the coastal strip. This routing reduced the environmental impact on the coast while providing a fast corridor that could handle the growing traffic volumes generated by tourism, commerce and residential development. The motorway was funded through a combination of European structural funds and public-private partnership arrangements, with tolls subsequently introduced to fund maintenance and repay construction costs.
The introduction of electronic tolls on the A22 in 2011, after an initial period of toll-free operation, proved controversial. The toll system required drivers to have electronic transponders or to register their vehicles in advance, creating confusion and inconvenience for foreign tourists unfamiliar with the system. The tolls also increased transport costs for local businesses and commuters, prompting protests and calls for the tolls to be reduced or abolished. The toll issue remained a significant point of political contention in the Algarve for years, with various adjustments made to ameliorate the impact.
Despite the toll controversy, the A22's impact on the Algarve has been predominantly positive. Journey times across the region were reduced dramatically, making it feasible to live in one part of the Algarve and work in another. The motorway improved access to Faro Airport from all parts of the region, supporting tourism growth. Commercial logistics became more efficient, reducing costs for businesses and improving the supply chain for the tourism industry.
The motorway also improved connections to Spain and the wider European road network. The Guadiana Bridge, linking the A22 to the Spanish motorway system at Ayamonte, opened in 1991 and made it possible to drive from the Algarve to Seville in under two hours. This cross-border connectivity supported day-trip tourism, property investment by Spanish buyers and closer economic integration between the Algarve and neighbouring Andalusia.
The A22 has also influenced development patterns within the Algarve. The motorway's interchanges have attracted commercial development, including retail parks, logistics centres and business premises, creating new economic nodes away from the traditional coastal strip. Towns in the barrocal and serra that were previously difficult to reach have benefited from improved access, though the extent of this benefit has varied.
The Via do Infante stands as a piece of infrastructure that, for all the controversy surrounding its tolls, has been essential to the functioning of the modern Algarve. It has bound the region together, reduced the friction of distance and provided the transport backbone that supports tourism, commerce and daily life across the Algarve's 150-kilometre span.
Impact
The motorway transformed internal connectivity, reduced journey times across the region and improved links to Spain and the wider European road network.