Money included in the Amtrak reauthorization bill would fund studies for a possible bypass around an aging Baltimore rail tunnel.
The 135-year-old Baltimore and Potomac Tunnel has become a choke point for rail traffic in the Northeast Corridor. Passenger and freight trains must obey speed and height limits as they use it.
The $60 million for the studies is included in the nearly $15 billion Amtrak bill approved Wednesday by the House of Representatives.
Congressman Elijah Cummings says the 7,700 foot tunnel is insufficient for modern high-speed trains. The studies would like at possible new rail alignments through Baltimore.
The White House has threatened to veto the Amtrak bill, but it has cleared both houses by veto-proof margins.
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