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| National Route 1 (Argentina) | |
|---|---|
| Country | ARG |
| Type | National |
| Length km | 11 |
| Established | 1930s |
| Terminus a | Buenos Aires |
| Terminus b | Quilmes |
| Provinces | Buenos Aires Province |
National Route 1 (Argentina) is a short but strategically important highway in the Buenos Aires Province connecting the urban core of Buenos Aires with suburban and port areas around Quilmes and the Riachuelo River. The route serves as a link between the federal capital and several transport nodes used by Puerto Madero, the Port of Buenos Aires, and commuter corridors feeding the Greater Buenos Aires conurbation. It forms part of a network that includes arteries such as National Route 3 (Argentina), National Route 9 (Argentina), and the Acceso Sudeste.
National Route 1 runs roughly south-southeast from the central districts of Buenos Aires near the Distrito de Retiro and Puerto Madero waterfront, crossing the Riachuelo and passing through industrial and residential zones adjacent to Barracas, Avellaneda, and Quilmes. The alignment skirts major facilities including the Port of Buenos Aires, the Buenos Aires Ecological Reserve, and freight terminals associated with Ferrocarril Roca and General Roca Railway. It interfaces with feeder roads leading to the Aeroparque Jorge Newbery corridor, the Autopista 25 de Mayo, and the Puente Pueyrredón. The corridor provides access to commercial zones such as La Boca, Constitución, and logistics parks near Dock Sud and Villa Domínico.
The corridor predates modern numbering, with arterial routes along the same axis noted in maps produced during the Second Argentine Republic era and infrastructure plans under administrations such as Hipólito Yrigoyen and Juan Perón. Early 20th-century port expansion at the Port of Buenos Aires and suburban growth in Avellaneda Partido and Quilmes Partido prompted paving and formal designation in national road inventories compiled by the Dirección Nacional de Vialidad. Works in the 1930s and post-war reconstruction under Agustín Pedro Justo-era policies and later Arturo Frondizi initiatives modernized bridges over the Riachuelo and linked with rail nodes controlled by companies like Ferrocarril General Roca and services of Trenes Argentinos. In the neoliberal reforms of the 1990s under Carlos Menem, parts of the arterial network saw concessioning and private maintenance models influencing the route's administration.
The northern terminus connects to avenues and boulevards in Buenos Aires central districts, with junctions near Avenida 9 de Julio, Avenida Independencia, and the Puente Pueyrredón approach. Interchanges provide continuity to National Route 3 (Argentina), Autopista Buenos Aires–La Plata, and Provincial Route 4 (Buenos Aires Province). The southern terminus lies in Quilmes, linking to municipal roadways serving Berazategui, Florencio Varela, and access to the Buenos Aires-La Plata Metrobus projects. Important cross-connections serve industrial estates tied to Yacimientos Petrolíferos Fiscales (YPF) logistics, the Facultad de Ingeniería (University of Buenos Aires) precincts near the river, and commuter rail stations such as Quilmes railway station and Avellaneda railway station.
The corridor features mixed cross-sections: urban arterial segments with multi-lane profiles, limited-access stretches near port terminals, and grade-separated junctions at major interchanges. Pavement consists primarily of asphalt overlays with reinforced sections for heavy vehicle traffic associated with container handling at the Port of Buenos Aires and bulk terminals servicing Aerolíneas Argentinas cargo flows. Traffic includes commuter vehicles serving Greater Buenos Aires, freight trucks for import-export activity at Dock Sud, and shuttle services connecting to ferry operations at Puerto Madero. Peak congestion correlates with shift changes at industrial plants and commuter peaks aligning with schedules of Trenes Argentinos and Linea Roca services; air quality and noise concerns have been highlighted by environmental organizations such as Fundación Vida Silvestre Argentina and municipal planning bodies in Avellaneda Partido.
Responsibility for the route has alternated between the Dirección Nacional de Vialidad and provincial authorities in Buenos Aires Province, with historical involvement from concessionaires during privatization waves in the 1990s linked to policies under Carlos Menem and subsequent government adjustments. Infrastructure projects have been funded through mixed public budgets from the Ministerio de Transporte (Argentina), provincial coffers of Provincia de Buenos Aires, and, at times, loans and technical assistance from multilateral institutions like the Inter-American Development Bank and the World Bank. Maintenance programs coordinate with rail operators such as Trenes Argentinos, port authorities managing the Puerto Madero precinct, and municipal services in Quilmes and Avellaneda.
Planned upgrades include capacity enhancements to relieve bottlenecks near the Puente Pueyrredón approaches, rehabilitation of river crossings over the Riachuelo coordinated with the Autoridad de Cuenca Matanza Riachuelo and urban renewal projects in La Boca. Proposals contemplate integration with metro and bus rapid transit expansions involving Subte Linea C extensions, Metrobus corridors, and improved multimodal terminals connecting to Aeroparque Jorge Newbery. Investment scenarios under national transport plans reference participation by development banks like the Inter-American Development Bank and policy frameworks from the Ministerio de Desarrollo Productivo to support logistics modernization, resilience to flooding from the Rio de la Plata estuary, and emission-reduction measures aligned with commitments to forums such as the United Nations Framework Convention on Climate Change.
Category:Roads in Buenos Aires Province Category:National roads in Argentina