Methods and results of survey of July 4, 1928, by State Roads Commission of Maryland; distribution of traffic; hourly traffic; relation of clearance of vehicles to velocity; relation of discharge to velocity. (See also Am. Highways vol. 8, no. 2, Apr. 1929 pp. 5-8, 7 figs)
Maryland aerial survey of highway traffic between Baltimore and Washington
Roads Streets
Roads and Streets ; 69 , n 8
1929
2 pages
3 Figs.
Article (Journal)
English
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Maryland aerial survey of highway traffic between Baltimore and Washington
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