On 18 March 2025, in Sao Luis (Maranhao), residents protested in the Coroadinho neighborhood to demand infrastructural improvements in the region. The group blocked the traffic on the road.

Supply-chain Risk Briefing

1. Summary

On March 18, residents of the Coroado area in São Luís, Maranhão state, Brazil, held peaceful protests demanding infrastructure improvements. While protesters blocked roads, this was classified as a low-intensity demonstration with limited direct supply-chain risks.

2. Supply-chain impact

• Regional logistics delays: São Luís is a major port city in northeastern Brazil, with potential short-term transportation delays due to road blockades
• Agricultural logistics: Maranhão state is a major production area for soybeans and corn, with temporary disruption of inland-to-port transport routes causing minor impact on agricultural exports
• Mineral transportation: Concerns over short-term disruptions to mineral exports including iron ore through São Luís port
• Regional spread risk: Potential for similar protests to spread if infrastructure grievances are a common issue across the region

3. Watch points

• Whether protests spread to other areas within Maranhão state and impacts on São Luís port operations
• Trends in infrastructure improvement protests across northeastern Brazil and whether the government announces response measures