Discussion of following factors which must be considered in deciding whether old road can be utilized by improvement: grade and alignment; soil survey; drainage; disintegration of base; thickness; crown or contour; cuts made for subsurface pipes, sewers, etc.; street-car tracks; materials available. (cir)
Conserving our investment in existing highways
Asphalt Assn -- Proc
1928
5 pages
3 Figs.
Report
English
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