The Sarmiento Line is a commuter rail service in the Buenos Aires metropolitan area of Argentina. It connects the western suburbs to the city center, facilitating daily travel for thousands of passengers. The line runs from the station of Once to Moreno, covering approximately 50 kilometers and serving several important stops along the way. Operated by Trenes Argentinos, the Sarmiento Line is an essential part of the region's public transportation system. It provides a reliable means of transport, helping to reduce traffic congestion and improve accessibility for residents in the surrounding areas.