Teams were selected in two stages: technical tests as an initial filter, followed by a practical phase at Rionegro's MRO, testing skills under real conditions.
The mass resignations come at a critical time for Petro's administration as it seeks to "reorganize" and "strengthen governance" in the last 18 months of his presidency.
Fitch Ratings has assessed the Colombian Ministry of Transportation's decision to freeze above-inflation tariff increases as neutral for its rated toll road projects.