Construction has begun on the $4-billion Brent Spence Bridge Corridor megaproject, launching a cable-stayed interstate overhaul targeting one of America’s busiest freight bottlenecks.
The $18.5-billion capital investment plan also includes funds for MBTA power system upgrades, a multimodal transportation project, interchange improvements and bridge projects.
The Federal Highway Administration has issued a final regulation requiring state departments of transportation to chart tailpipe emissions of greenhouse gases.