National Route A012: The Second Rosario Beltway
In the heart of the southeast region of Santa Fe Province, Argentina, lies National Route A012. This critical piece of infrastructure serves as a semi-circular beltway centered around the city of Rosario, one of the most significant urban hubs in the country. By diverting traffic around the metropolitan area, it ensures smoother transit for both local commuters and long-distance travelers.
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Route Overview and Infrastructure
National Route A012 spans a total length of 67 kilometers (approximately 42 miles). The entire stretch of the road is fully paved, providing a reliable connection between two major national arteries. The route begins at the junction with National Route 9 at kilometer marker 278 in the town of Pueblo Esther and concludes at the junction with National Route 11 at kilometer marker 326 in the city of San Lorenzo.
Because it borders the metropolitan area of Greater Rosario—the third largest city in Argentina—the road is popularly referred to as the Second Rosario Beltway. It complements the First Rosario Beltway (National Route A008), which is positioned closer to the city center.
Administrative History
The road was not always under federal jurisdiction. Originally, the route was designated as Provincial Route 16. However, its importance to the national transport network led to a change in administration. Under National Decree 1595 of 1979, the road was officially transferred to federal control and renamed National Route A012.
Regional Connectivity and Localities
As the route arcs clockwise through the Santa Fe Province, it passes through several key departments and municipalities. The road serves as a vital link for various towns and villages, facilitating economic movement within the Rosario and San Lorenzo departments.
Key Localities Along the Route
- Rosario Department: The route passes through Piñero (km 15) and Zavalla (km 24).
- San Lorenzo Department: The route continues through Roldán (km 42), Ricardone (km 61), and terminates in San Lorenzo (km 66-67).
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Key Facts
- Total Length: 67 km (41.6 mi).
- Surface: Fully paved.
- Primary Function: Acts as the Second Rosario Beltway for Greater Rosario.
- Northern Terminus: San Lorenzo (Junction with National Route 11).
- Southern Terminus: Pueblo Esther (Junction with National Route 9).
- Former Name: Provincial Route 16.
Route Summary Table
| Feature | Detail |
|---|---|
| Country | Argentina |
| Province | Santa Fe |
| Total Distance | 67 km |
| Start Point | Pueblo Esther (NR 9) |
| End Point | San Lorenzo (NR 11) |
| Legal Status | Federal Control (since 1979) |
Frequently Asked Questions
What is the popular name for National Route A012?
It is commonly known as the Second Rosario Beltway because it encircles the metropolitan area of Greater Rosario.
Where does National Route A012 begin and end?
The route starts at the junction with National Route 9 in Pueblo Esther and ends at the junction with National Route 11 in San Lorenzo.
Was National Route A012 always a national road?
No, it was previously known as Provincial Route 16 before being transferred to federal control via National Decree 1595 in 1979.
Which cities are located along the A012 route?
The route passes through Piñero, Zavalla, Roldán, Ricardone, and San Lorenzo.
How does the Second Rosario Beltway differ from the First?
While National Route A012 (the Second Beltway) borders the wider metropolitan area, the First Rosario Beltway (National Route A008) surrounds the city center.