The elimination of cross traffic and left turns on through streets by use of medial dividers / by Thomas P. Walbert. 1941.
Related Entities
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Yale University. Bureau for Street Traffic Research
http://n2t.net/ark:/99166/w6z934sq (corporateBody)
Walbert, Thomas P.
http://n2t.net/ark:/99166/w6tx3fdg (person)