Mobility in southwestern Antioquia once again became a central issue for authorities, companies, and communities following the indefinite suspension of the total closure in the Las Areneras sector, in the municipality of Amagá. The measure, initially authorized by INVÍAS, was part of the development of the Pacífico 1 road project and included prolonged daytime restrictions for a full year. Although the closure was never implemented, its planning alone generated strong institutional and sector-wide reactions, highlighting the high logistical dependence on this roadway and the operational risks that a prolonged interruption could generate in the region.
What works motivated the closure authorized by INVÍAS?
The closure was authorized to allow the construction of Return 2 at Grade Crossing in the Las Areneras sector, an intervention led by Concesionaria Vial del Pacífico (Covipacífico). This work is considered mandatory for environmental and technical reasons and aims to improve mobility by eliminating the current “stop and go” system operating in the area.
The affected section corresponds to National Route 6003 (Peñalisa – Primavera), between PR 83+0300 and PR 86+0000, a key corridor connecting Medellín with southwestern Antioquia.
The original closure plan and its operational scope
The initial authorization contemplated a daily total closure, from Monday to Saturday, between 8:30 a.m. and 1:30 p.m., meaning five continuous hours each day. The schedule extended from January 28, 2026, to January 28, 2027, with exceptions on holidays and during the year-end peak season.To mitigate the impact, alternate routes such as Medellín–Santa Fe de Antioquia–Bolombolo and Medellín–La Pintada–Bolombolo were established, along with an approved Traffic Management Plan and road signage.
From a logistical standpoint, this scheme implied forced rescheduling, longer transit times, increased operating costs, and risks to on-time delivery of time-sensitive cargo.
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Institutional and sector opposition: reasons behind the suspension
The closure was indefinitely suspended at the end of January 2026 following opposition from the Government of Antioquia, 23 mayors from the southwest —led by the mayor of Amagá— and various economic sectors.
Among the arguments presented was the direct impact on approximately 400,000 residents, affecting the transportation of patients, students, agricultural products —during the coffee harvest— and the region’s commercial and tourism activities.
The duration of the closure was also described as disproportionate to the actual progress of the work, as it involved a simple at-grade return, and authorities requested prioritizing the completion of pending works in La Sinifaná, considered a critical bottleneck that currently causes delays of up to three hours due to “stop and go” controls.
Regional logistics: why this road is strategic
National Route 6003 is not just a roadway; it is an essential logistical axis for the movement of agricultural cargo, production inputs, and consumer goods between southwestern Antioquia and the Aburrá Valley. A prolonged daytime restriction would have directly affected dispatch planning, cold chain operations, compliance with delivery windows, and fleet availability, especially for companies relying on daily routes and tight schedules.
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Current agreements and new operational approach
Following working sessions between ANI, the regional government, Covipacífico, and local mayors, several key agreements were defined:
- No daytime closures will be applied for now in the Las Areneras sector.
- The works are proposed to be carried out during nighttime hours, such as between 9:00 p.m. and 5:00 a.m. or from 9:00 p.m. to 1:00 a.m., to reduce impacts.
- The use of rural or tertiary roads will be evaluated for material removal.
- A permanent coordination committee was established for monitoring and decision-making.
- Covipacífico committed to advancing solutions in La Sinifaná before resuming any future closures.
From a logistical perspective, this approach seeks to preserve daytime operational continuity, which is critical for regional freight transport.
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Non-definitive analysis of future logistical implications
The following section corresponds to a speculative analysis based on publicly available information. It should not be interpreted as a confirmed fact or an official decision regarding future closures. Although the indefinite suspension reduces immediate risk, the coordination committee remains active and sporadic nighttime closures cannot be ruled out. For logistics operations, this implies the need to anticipate, review transport contracts, adjust time windows, and maintain constant communication with clients and partners.
Experience shows that even nighttime closures can generate indirect effects on next-day operations if not properly managed.
Conclusion: infrastructure, logistics, and coordination
The situation in Las Areneras highlights how an infrastructure decision can have cross-cutting logistical impacts across an entire region. The suspension of the closure temporarily avoids massive disruption but also reinforces the importance of coordination between authorities, concessionaires, and logistics stakeholders. For companies moving cargo in southwestern Antioquia, the key will be flexible planning, continuous road monitoring, and the ability to adapt to operational changes.
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- Suspenden cierre en el sector Areneras, Amagá, en la vía al Suroeste
- No habrá cierre en el sector de Las Areneras, de la vía 4G Pacífico 1, en el Suroeste de Antioquia: estos son los acuerdos a los que llegaron
- No habrá cierre en Las Areneras de Amagá hasta que se habilite completamente La Sinifaná
- INVIAS autoriza cierre total en sector Las Areneras en Amagá
