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Thursday crash at I-95 tunnel tests Baltimore traffic constraints after Key Bridge collapse
The left tube remained closed into the afternoon as crews cleaned up the wreckage and traffic on I-895 continued to crawl, with average speeds near the Harbor Tunnel clocked at 9 mph after 2 p.m ...
The history of Key Bridge, Baltimore’s engineering marvel of the 1970s
The bridge was constructed after the Baltimore Harbor Tunnel reached its traffic capacity and cost more than $60 million, ...
The New York Times6y
TUNNEL ENGINEERS NAMED.; Commission of Experts Appointed for Pennsylvania Railroad's Proposed Route Under New York Harbor.
J. Cassatt of the Pennsylvania Railroad has selected the following engineers as a commission of experts to supervise and approve all the plans for the proposed tunnels under New York Harbor for ...