Overview

• Trenes Argentinos will suspend the Mitre branch between Retiro and José León Suárez from 23:00 on Saturday, October 4, until 11:00 on Sunday, October 5, for Av. del Fomentista underpass works by AUSA.
• The underpass project between Pueyrredón and Miguelete includes a new railway bridge, concrete structures, full track renewal over the bridges, and a wider vehicular tunnel, according to reports.
• Mitre line first and last train times remain adjusted through Monday due to ongoing track renewal, with detailed timetables published by the operator.
• On Sunday, October 5, the Roca line will run with limitations until 08:00, including no service between Plaza Constitución and Temperley and early‑morning interruptions on La Plata and Bosques via Quilmes.
• Passengers are advised to check the Trenes Argentinos website or app for real‑time updates, as work may be paused in adverse weather.