Getting the most from your LTPP section : guidance for rehabilitation
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Getting the most from your LTPP section : guidance for rehabilitation

Filetype[PDF-13.85 KB]

  • English

  • Details:

    • Resource Type:
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    • NTL Classification:
      NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance
    • Abstract:
      Pavement rehabilitation in a number of States and Provinces consumes the majority of the pavement funds. Highway agencies have many questions related to selecting the right rehabilitation strategy considering the pavement condition, traffic, and desired performance period. In response to this need, one of the Long Term Pavement Performance (LTPP) program's objectives is to develop improved design methodologies and strategies for the rehabilitation of existing pavements. Of the approximately 2,400 LTPP sections, there are 442 rehabilitated pavement sections in the GPS-6 and -7 and SPS-5 and -6 experiments. These 442 are the source of the data used to address LTPP's goal. An increase in the quality and applicability of the LTPP rehabilitation products requires an increase in the number of rehabilitated test sections in the LTPP program while not increasing the total number of sections in the program. A means to increase the number of rehabilitated sections is to continue to monitor an LTPP section after the State or Province has completed a pavement rehabilitation. For an LTPP test section to be considered for future monitoring after a rehabilitation, three criteria must be met: (1) the rehabilitation treatment must fall within certain types and ranges, (2) the section rehabilitation must be completed and open to traffic by the end of 2002, and (3) the State or Province must meet certain data collection responsibilities. 6 p.
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