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TRIS Online Accession Number:789817
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OCLC Number:43523954
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Edition:Final report
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NTL Classification:NTL-ECONOMICS AND FINANCE-ECONOMICS AND FINANCE;NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;
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Abstract:In the rural areas of Pennsylvania, there are approximately 1,160 miles of unpaved roads that comprise a portion of the current 40,162 mile roadway system that is maintained by the Pennsylvania Department of Transportation. These unpaved road facilities are comprised of either: (1) natural earth, (2) mixtures of aggregates and clay, or (3) thin bituminous surfacing with a crushed stone or gravel base course. (Reference 1) The existing condition of many of these unpaved roads is poor and would require extensive rehabilitation to significantly improve the surface and base course materials. As a result of House Bill No. 1393 (1991), the Department was allocated $300,000 to conduct a Demonstration Project for surface upgrading of selected unpaved roads. Again in 1992, the Department was earmarked an additional $300,000 to extend the studies. Four (4) counties in western Pennsylvania were selected as candidate counties for the application and evaluation of eleven (11) different treatment methods. The evaluation of the roadways was conducted for three to four years after construction. Road maintenance and repairs were conducted as needed. An estimate of cost for maintenance activities, both before, and after construction, along with performance inspections, provided judgement for these products use in future.
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