Illustrated study of grade separations on divided highways at points where traffic signals would otherwise be required; problem is discussed in connection with traffic circle and intersections in New Jersey. Before Good Roads Assn, Quebec. (See also Roads and Bridges v 84 n 4 Apr 1946 p 84-6, 142, 144)
Progress in grade separations
Eng Contract Rec
Engineering and Contract Record ; 59 , n 6
1946
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1946
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