A collapsed bridge, a new Amtrak tunnel, the Red Line: Baltimore is an infrastructure epicenter

A bottleneck in the most heavily trafficked passenger rail corridor in the United States. An archaic freight tunnel that’s just a little too small for the Port of Baltimore’s growing cargo demands. A 47-year-old bridge toppled by a nearly 1,000-foot cargo ship.vBaltimore’s infrastructure had plenty of big needs — totaling billions of dollars — even before the Francis Scott Key Bridge collapsed a week ago.