Financing and construction of $60,000,000 Hampton Roads Bridge-Tunnel project in Virginia; 8674 ft tunnel, 2nd longest trenchtype in world, passes under main ship channel of Hampton Roads and comes back to grade at channel's north side; tunnel diameter is 30 ft and roadway is 23 ft wide; circulation of 3,400,000 cu ft of air/min furnish complete air change in tunnel every 90 sec.
Tidewater cities break their shackles
Traffic Eng
Traffic Engineering ; 29 , n 9
1959
Article (Journal)
English
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