Account of development of board, organization and membership, includes reports on formation of special committee on highway accidents; economic theory of highway improvement; structural design of roads; character and use of road materials; highway traffic analysis; highway finance; maintenance; culvert investigation; low-cost improved roads investigation; methods and possibilities of road soil investigations.
Proceedings of sixth annual meeting
Highway Research Board -- Proc
1927
420 pages
14 Figs.
Article (Journal)
English
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