A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Description of twin tube vehicular tunnel which is one of main features of Pittsburgh's new Penn-Lincoln Parkway; structure made up of two similar tubes, each providing for two 12-ft traffic lanes; ventilation; tunnel cross section; drainage; pavement; lighting; control center for tunnel operations.
Description of twin tube vehicular tunnel which is one of main features of Pittsburgh's new Penn-Lincoln Parkway; structure made up of two similar tubes, each providing for two 12-ft traffic lanes; ventilation; tunnel cross section; drainage; pavement; lighting; control center for tunnel operations.
Squirrel hill tunnel
Traffic Eng
Baker, Jr., M. (author)
Traffic Engineering ; 14
1944
Article (Journal)
English
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