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54 several agencies still do not have formal quality man- Investigation of the effect of emerging pavement data agement plans. collection technologies on pavement management rec- Several agencies are facing problems with the consistency ommendations. of data after the adoption of automated or semi-automated Development of processes and procedures for evaluating data collection methodologies, changes in the data backward compatibility in data from year to year and/or collection equipment (in-house or service provider), or developing correlations in data where variability exists. changes in service providers. Development of commercially available tools for facili- Several agencies also reported problems with the con- tating of the implementation of quality management sistency of their location referencing systems, especially checks at the various stages of the data collection process. as they migrate from linear to geodetic methods. Cost-effectiveness analysis of the implementation of dif- There appears to be a need for guidelines to help agen- ferent quality management tools, methods, and programs. cies define the level of data quality and detail needed Development of "generic" quality management, control, for the various pavement management functions and and assurance plans that agencies can customize for their decision-making levels. specific needs, and/or software for guiding the develop- ment of these plans. These could be provided in the SUGGESTIONS FOR FUTURE RESEARCH framework of an AASHTO Standard Practice. Investigation of the need and content for a workshop Based on the issues identified in the previous section, the or training course and materials specifically on quality following topics can be listed as future research needs: management of pavement data collection. Investigation of the impacts of alternative delivery meth- Identification and demonstration of "best quality man- ods including performance-based warranty contracts on agement practices." pavement data quality management.