A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Design is complicated on Penn-Lincoln Parkway
19 1/2-mi route is limited-access highway in rugged topography; project involves 10 major and five minor interchanges, two tunnels, and double deck bridge; standards provide for max grades of 5%, horizontal curvature of 4° and design speed of 60 mph; Squirrel Hill Tunnel carries two parallel tubes, each tube having two 12-ft one-directional traffic lanes and sidewalk.
Design is complicated on Penn-Lincoln Parkway
19 1/2-mi route is limited-access highway in rugged topography; project involves 10 major and five minor interchanges, two tunnels, and double deck bridge; standards provide for max grades of 5%, horizontal curvature of 4° and design speed of 60 mph; Squirrel Hill Tunnel carries two parallel tubes, each tube having two 12-ft one-directional traffic lanes and sidewalk.
Design is complicated on Penn-Lincoln Parkway
Better Roads
Better Roads ; 24
1954
Article (Journal)
English
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Pittsburgh's Penn-Lincoln parkway
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