A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
17-mi expressway and river tunnel is scheduled for completion in 1957 to take traffic through city and under its harbor; tunnel is being laid by open trench method, prefabricated tunnel sections are sunk in trench dredged in river bed and sections are joined together under water; each of tunnel's 21 twin-tube sections is 300 ft long and is built in shipyards and launched like ships.
17-mi expressway and river tunnel is scheduled for completion in 1957 to take traffic through city and under its harbor; tunnel is being laid by open trench method, prefabricated tunnel sections are sunk in trench dredged in river bed and sections are joined together under water; each of tunnel's 21 twin-tube sections is 300 ft long and is built in shipyards and launched like ships.
Baltimore's harbor tunnel
Am Highways
LeViness, C.T. (author)
American Highways ; 35
1956
2 pages
Article (Journal)
English
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