National Route 4 is a major highway in Argentina that connects the capital city, Buenos Aires, to the northern provinces. It spans approximately 1,200 kilometers and serves as a vital transportation link for both commercial and personal travel. The route passes through several important cities, including Rosario and Córdoba, facilitating trade and tourism. This highway is part of the larger National Route network in Argentina, which plays a crucial role in the country's infrastructure. National Route 4 is well-maintained and features various services along the way, such as rest areas and gas stations, making it a convenient choice for travelers.