A single shipment of 900 vehicles crossed southern Mexico by rail in roughly nine hours this spring, moving from the Pacific to the U.S. East Coast in about 72 hours. The operation, run by Hyundai and its logistics arm Hyundai Glovis, marks the first major international test of Mexico’s Interoceanic Corridor of the Isthmus of Tehuantepec . This 303-kilometer rail route is taking shape just as climate pressures threaten the reliability of the Panama Canal.
Vehicles traveled from South Korea to the Pacific port of Salina Cruz in Oaxaca. There, crews loaded them onto 50 BI-MAX freight wagons built for vehicle transport. The trains used Line Z of the corridor to reach Coatzacoalcos on the Gulf of Mexico, where the cargo transferred to a second ship for the final leg to Brunswick, Georgia. The full operation showed the corridor can handle multi-modal international freight at commercial scale.
A Water Problem Decades in the Making
Every ship that moves through the Panama Canal depends on Gatún Lake. A single transit consumes more than 26 million gallons of freshwater. When drought hit in 2023, canal operators slashed daily crossings from 38 ships to as few as 22 and forced vessels to lighten their loads. Some cargo faced delays stretching past two weeks.