The A22 - Infante D. Henrique Route, better known as 'Via do Infante' - is the main motorway of Algarve, region in the south of Portugal, crossing it longitudinally. It connects Lagos to the Spanish border from Castro Marim / Vila Real de Santo António, intersecting the A2 highway, which allows the connection to Lisbon through Alentejo. This network is part of CINTRA concession, one of the largest private promoters of transport infrastructure in the world.
Periodic monitoring of day and night visibility characteristics of road markings with the dynamic retroreflectometer equipment (Ecodyn) and the coefficient of friction with the British Pendulum.
Road mark monitoring, data processing and Reporting.