It opened on a Wednesday afternoon in late May, and within hours, it had swallowed part of one of the most important stretches of asphalt in our country. The sinkhole that appeared at kilometer 56 of Route 27 near Coyolar in Orotina was more than a road problem. It was a sharp reminder of how fragile the infrastructure connecting Costa Rica’s economic heartland to its Pacific coast tourism engine is. The cause was a collapsed culvert beneath the…