Shutdown Keeps NTSB From Investigating Fatal Metro Accident Federal transportation safety officials say they have decided against sending investigators to the site of a fatal welding accident in a Metro subway tunnel in Washington because of the government shutdown.
Metro Growth Plan Calls For New D.C. TunnelsLeaders of Washington's Metro transit agency are proposing new tunnels to help the system keep up with growing demand.
Crash Closes Baltimore Tunnel For 90 MinutesMaryland Transportation Authority Police say a crash closed the Baltimore Harbor Tunnel for about 90 minutes.
Purple Line Imperils Bethesda Recreation TrailMaryland transit planners say it's too expensive and impractical to keep a popular recreation trail inside a downtown Bethesda tunnel alongside future Purple Line trains.
UMd.'s Wind Tunnel To Test Unmanned AircraftThe University of Maryland's wind tunnel will be used to test the propulsion system for an unmanned aircraft that takes off vertically and then shifts to horizontal flight.
Massive Changes Since Tunnel Fire 10 Years AgoTen years ago today, a train derailment triggered fear and flames in downtown Baltimore. The Howard Street tunnel fire led to major changes in the way first responders would handle a similar crisis.
Bike Trail Would Skirt Tunnel To Benefit BatsThe National Park Service is seeking comment on plans to extend the Western Maryland Rail Trail while avoiding adverse effects on bats that live in tunnels along the route.
MDTA To Begin Public Hearings On Toll Hike ProposalThe Maryland Transportation Authority will be holding its first public hearing on a proposal to raise tolls on the state's bridge, tunnels and other roads.

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