Rock Products Volume 17, No. 12

Rock Products Volume 17, No. 12

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...and significant than these figures. The conclusion is that in Massachusetts at present an attempt is being made to perpetuate a failure. When the cost of maintenance under traffic conditions for which the roads were at first built was but $110 and under modern traffic conditions the expense is $1,000, and the roads are not today as satisfactory for the traffic that they now accommodate as they were ten years ago, it is evident that a great change has taken place. Let us compare these figures with the cost of maintaining concrete roads subjected to modern traffic conditions. In 1915 tlrere had been constructed In Illinois by the State Highway Department about one hundred miles of concrete roads in different parts of the state. The total cost of maintaining these roads, which included the cost of keeping the weeds cut, the gutters, drains and culverts opened, was $105 a mile. The cost for the maintenance of the concrete slab proper was $29.87 a mile. In 1915 there were maintained by the Ohio State Highway Department a little over 107 miles of concrete roads. The total cost of maintenance on these roads, including culverts, roadside, etc., was $17,500, while the cost for the concrete slab proper was $3,640. Thus the total cost per mile per year was $163 and the cost for the maintenance of the slab proper was about $34. The reports of the county highway engineer from Milwaukee county where there are about ninety miles of concrete road subjected to very heavy traffic has been from $26 to $30 per year per mile for the maintenance of the concrete slab proper. The maintenance cost of the Wayne county (Mich.) roads, totalling about 130 miles, some of these roads six and seven years old, has been about $30 a mile a year. It is to be borne in mind...
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Product details

  • Paperback | 54 pages
  • 189 x 246 x 3mm | 113g
  • United States
  • English
  • black & white illustrations
  • 1236950933
  • 9781236950932