ASTM is a company, which is engaged mainly in licensed motorway operation and construction. The Company operates in the sectors of motorway, parking, planning and construction, engineering, technology, and services. It also operates in the study, planning, and works management areas for railway and motorway works. In addition, ASTM is involved in the construction and maintenance of road, motorway, and railway infrastructures; and building works, as well as works for the construction of tunnels and underground railways.