Unlike the Key Bridge, the Fort McHenry Tunnel and the Baltimore Harbor Tunnel have long restricted what hazardous materials can pass through, as a simple crash could lead to a fiery catastrophe.

The I-95 tunnel, which cuts across the mouth of the harbor, was for people commuting between Baltimore and Washington, D.C. The famously congested Baltimore Harbor Tunnel—part of I-895—passes ...

BALTIMORE -- There's now a crater-sized hole in Ellicott City. But not to worry, it's there to help with the county's flooding problem. The North Tunnel project is part of Howard County's Ellicott ...

Initial construction for Amtrak’s Frederick Douglass Tunnel Project, which will transform a 10-mile stretch of the Northeast Corridor and replace the century-old Baltimore and Potomac Tunnel ...