American Rural Highways
T. R. Agg
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  • Highway administration; [13]
  • Highway finance; [19]
    • maintenance; [130]
  • Importance of design; [30]
  • Ideal road gravel; [81]
  • Inter-city traffic; [5]
  • Inter-county and inter-state traffic; [5]
  • Internal resistance; [50]
  • Intersections; [46]
  • Laying tile; [35]
  • Length of culvert; [37]
  • Liquid asphalt; [118]
  • Local farm to market traffic; [4]
  • Macadam; [89]
  • Maintenance, concrete; [105]
    • earth roads; [70]
    • general; [131]
    • gravel roads; [88]
    • macadam; [96]
    • of highways; [130]
    • patrol; [131]
  • Maney grader; [67]
  • Marginal curb; [113]
  • Measuring materials; [101]
  • Metal pipe; [38]
  • Mixing wearing surface; [127]
  • Mixtures; [117]
  • Natural asphalt; [117]
    • gravel; [79]
  • Necessity for planning; [42]
    • drainage; [29]
  • Patching; [122], 125
  • Patrol maintenance; [131]
  • Pebbles, size of; [80]
  • Petroleum asphalt; [117]
  • Placing asphaltic concrete; [129]
  • Placing broken stone; [94]
  • Placing concrete; [102], 103
    • mixed macadam; [127]
  • Plans for roads; [43]
  • Preliminary investigation; [44]
  • Preparation of earth foundation; [102]
    • of road; [85]
  • Private entrances; [61]
  • Properties of stone; [90]
  • Proportions for concrete roads; [101]
  • Purpose of highways; [1]
  • Reinforced concrete box culverts; [39]
  • Reinforcing; [104]
  • Repressed brick; [107]
  • Road oils; [117]
  • Road plans; [43]
  • Rocks, kind of, for macadam; [91]
  • Rolling, macadam; [95]
  • Rolling resistance; [50]
  • Run-off; [31]
  • Rural education; [6]
  • Rural social life; [7]
  • Safety consideration; [58]
  • Sand bedding course; [111]
  • Sand clay and gravel road; [74]
  • Sand mortar bedding course; [111]
  • Seal coat; [127]
  • Serial bonds; [27]
  • Sinking fund bond; [25]
  • Slip scraper; [67]
  • Special assessments; [19]
  • Specifications; [119]
  • Spreading screenings; [95]
  • State administration; [16]
  • Stone, use of; [92]
  • Surface drainage; [30]
  • Surfaces, bituminous; [120]
  • Surface method; [87]
  • Superelevation; [47]
  • Tests, brick; [108]
  • Tile drains; [35]
  • Topeka asphaltic concrete; [128]
  • Tractive resistance; [52]
  • Trench method; [85]
  • Truck operation costs; [9]
  • Types of culverts; [38]
  • Underground water; [34]
  • Undulating roads; [58]
  • Use of blade grader; [69]
  • Utilizing natural gravels; [83]