Grade separation at all intersecting highways forms keynote to design of arterial parkways being built in Queens Borough, New York City; parkway system of 24 mi requires 78 street-crossing bridges and great variety of route arrangements for interchange of intersecting traffic; loop designs; complex example.
Intricate intersections on Queens parkway system
Eng News-Rec
Engineering News-Record ; 110 , n 8 ; p 251-255
1933
5 pages
Article (Journal)
English
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TIBKAT | 1993
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Engineering Index Backfile | 1950
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