In Italy approximately 4 million people, equal to 8% of the population, use the network managed by Atlantia’s motorway subsidiaries every day. The network has a total length of 3,413 km and is designed to bring Italy closer to the socio-economic heart of Europe by providing efficient motorway links between regions and ensuring the movement of traffic around large conurbations.
The motorway concessionaires directly and indirectly controlled by Atlantia are:
- Autostrade per l'Italia SpA (2854.6 km of network under concession)
- Società Italiana per Azioni per il Traforo del Monte Bianco (5.8 km), which manages the Italian section of the Mont Blanc Tunnel (Atlantia's interest is 51%)
- Raccordo Autostradale Valle d'Aosta SpA (32.3 km), which manages the road linking Aosta and the Mont Blanc Tunnel
- Autostrada Torino-Savona SpA (130.9 km), which manages the motorway linking Turin and the Ligurian coast
- Società Autostrada Tirrenica SpA, which holds the concession for the entire length of the Livorno-Civitavecchia motorway (240 km) and currently manages the Livorno-Rosignano section (36.6 km)
- Tangenziale di Napoli SpA (20.2 km), which manages Naples' orbital motorway
- Società Autostrade Meridionali SpA (51.6 km), which manages the Naples-Pompei-Salerno motorway
- Strada dei Parchi SpA (281.4 km), which since 1 January 2003 has held the concession for the Rome-L'Aquila-Teramo and Torano-Pescara motorways. The concession for the two roads was awarded to the new company in 2001, following a tender organised by ANAS.
- Spea- Ingegneria Europea SpA, which is responsible for design, works supervision, monitoring and the routine maintenance of road works;
- Pavimental SpA, which carries out road surfacing and maintenance;
- EsseDiEsse Società di Servizi, which provides administrative, payroll, general and facility management services for the entire Group;
- AD Moving, which sells advertising space and services and manages events at servcie areas;
- Port Mobility Spa, which manages services within the Port of Civitavecchia;
- Stalexport Autostrady (56.2%) in Poland, a conglomerate listed on the Warsaw Stock Exchange that since 1997 has held the concession for the for the 61-km long A4 Krakow-Katowice motorway;
- Costanera Norte (45%) in Chile, which manages a 43-km long toll motorway that crosses the capital, Santiago, from east to west and that uses an open free-flow toll system;
- Autostrade International of Virginia O&M in the United States, which manages the Dulles Greenway motorway of around 24 km and Electronic Transaction Consultants Corporation, the US leader in free flow electronic toll collection systems;
- Autostrade dell'Atlantico (100%) and Autostrade per il Cile (50%, which own a number of Chilean, Brazilian and Portuguese motorway concessionaires forming part of the Itinere Group, and that operate a total of 702 km of toll motorway.
- Infoblu SpA, which produces and distributes motorway traffic information services;
- TowerCo SpA, a company responsible for designing and constructing fully equipped multi-operator sites along the motorway network, capable of hosting the antennas and equipment of various telecommunications operators (typically mobile) as well as of public service providers and the Group itself (Isoradio, traffic control systems, etc.). In this context framework agreements have been entered into with Telecom Italia Mobile SpA, Wind SpA and Vodafone SpA;
- the development of applications for Telepass and systems designed to manage traffic in Restricted Traffic Zones (urban areas, ports, interports and car parks), which has seen the Group supply electronic access control equipment for the town centres of Siena, Perugia and Florence.


