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| Autostrada A90 | |
|---|---|
| Country | Italy |
| Type | Autostrada |
| Route | A90 |
| Length km | 68 |
| Established | 2003 |
| Terminus a | GRA North |
| Terminus b | GRA South |
| Cities | Rome |
Autostrada A90 is a major orbital motorway encircling Rome, serving as a primary bypass for metropolitan traffic and linking multiple radial routes such as A1 motorway (Italy), A12 motorway (Italy), and A24 motorway. Conceived to reduce congestion in central Municipio I and to connect infrastructure nodes like Fiumicino Airport, Termini Station, and the Port of Civitavecchia, the motorway interacts with transport projects including Metro Line C, FL1 and the Roma–Naples high-speed line. The ring has influenced urban policy debates between institutions such as the Comune di Roma, Metropolitan City of Rome Capital, and national agencies like ANAS and the Ministry of Infrastructure and Transport.
The route circumnavigates central Rome through suburbs including Fiumicino, Ostia, Tiburtina, EUR, and Gianicolense. It connects with radial autostrade serving cities like Florence, Naples, Pescara, and Livorno via junctions at nodes near A1 motorway (Italy), A24 motorway (Italy), A12 motorway (Italy), and links toward SS1 Via Aurelia and SS2 Cassia. Interchanges provide access to major transport hubs such as Leonardo da Vinci–Fiumicino Airport, Ciampino Airport, Roma Termini, and port facilities at Port of Civitavecchia. The corridor traverses zones of historical significance including Appian Way, Baths of Caracalla, Villa Borghese, and neighborhood nodes like Prati, Trastevere, and San Giovanni.
Planning roots trace to postwar urbanism debates involving figures such as Gianfranco Frattini and institutions like the Istituto Nazionale di Urbanistica. Proposals evolved through regional plans from the Lazio Region and technical studies by ANAS and consortiums including Autostrade per l'Italia, drawing on precedents like the M25 motorway and the Grande Ceinture. Construction phases related to events including the 2000 Jubilee and the 2000s Italian road network expansion shaped timelines. Political decisions by administrations led by mayors such as Walter Veltroni and Virginia Raggi affected completion, while legal frameworks such as Italian law reforms in the Berlusconi IV Cabinet era influenced procurement.
Engineering works combined viaducts, tunnels, and reinforced earth embankments designed by firms like Salini Impregilo, Astaldi, and international consultants such as Arup. Geotechnical challenges involved alluvial soils from the Tiber and groundwater near the Tyrrhenian Sea, requiring piling techniques similar to projects at MOSE and foundations used in the Milan Metro. Materials procurement referenced standards used by the European Committee for Standardization and coordination with utilities managed by ENEL, ACEA, and Snam. Safety systems implemented technologies from suppliers such as Siemens and Autostrade Tech for traffic management, with structural inspections aligned to rules from the Italian Civil Protection Department.
Traffic volumes reflect commuter flows to business districts like EUR and cultural sites including Vatican City and Colosseum. Peak demands coincide with events at venues such as Stadio Olimpico and festivals like Rome Film Festival and pilgrimages tied to the Holy See. Traffic monitoring uses ITS platforms developed by partnerships including Telecom Italia and SIEMENS Mobility, with data feeding into apps by TomTom and HERE Technologies. Tolling policy historically involved debates between Autostrade per l'Italia and the Ministry of Economy and Finance, and introduced electronic toll collection similar to Telepass systems used on the A1 motorway (Italy). Enforcement cooperates with Polizia Stradale and coordination with Carabinieri for major incidents.
Major interchanges connect to radial motorways toward Florence, Naples, Pescara, and Genoa, and link to provincial roads such as SS7 Via Appia and SS2 Cassia. Service areas provide fuel, dining, and maintenance services operated by companies like ENI, Shell plc, Autogrill, and local providers, positioned near nodes serving Ostia Antica and Castel Gandolfo. Park-and-ride facilities interface with commuter rail lines including Lazio regional rail and bus terminals managed by ATAC, facilitating modal transfer to destinations such as Vatican Museums and Galleria Borghese.
Environmental assessments referenced European directives such as the Habitat Directive and the Water Framework Directive, and involved agencies like the Italian Ministry of the Environment and ISPRA. Impacts on green spaces including Villa Ada, Villa Doria Pamphilj, and wetlands near Ostia Lido prompted mitigation measures inspired by projects at Parco della Musica and the Tiber Island restoration. Noise barriers, air quality monitoring, and biodiversity programs engaged NGOs like Legambiente, WWF Italy, and research centers at Sapienza University of Rome and Tor Vergata University of Rome. Urban regeneration initiatives coordinated with heritage bodies such as the Superintendence for Cultural Heritage and EU funding under Cohesion Policy.
Planned upgrades include smart mobility integration with projects from European Union research frameworks like Horizon 2020 and collaborations with EIT Urban Mobility. Proposals involve capacity improvements similar to those on M25 motorway managed by Highways England and digitization efforts using 5G NR trials led by TIM and Vodafone Italy. Strategic planning aligns with regional transport strategies by the Lazio Region and national corridors in the Trans-European Transport Network. Potential extensions and resilience projects reference climate adaptation case studies from Netherlands Delta Works and multimodal hubs such as Stuttgart Hauptbahnhof redevelopment.
Category:Roads in Lazio Category:Transport in Rome