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Assessment of Sign Retroreflectivity Compliance for the Development of a Management Plan

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https://ir.library.oregonstate.edu/concern/articles/d791sh044

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  • The Manual on Uniform Traffic Control Devices (MUTCD) specifies minimum retroreflectivity requirements that include an obligation for agencies to develop a strategy for maintaining compliance. States were given a deadline of January 1, 2012 for the implementation of an assessment or management plan, which led to an increased emphasis on sign asset management. However, a new rule was submitted to the federal register to extend and modify the deadlines. With budget considerations it is important that a transportation agency implement an assessment or management plan that is efficient and provides compliance with the standards required by the Manual on Uniform Traffic Control Devices (MUTCD). The development of an efficient plan requires knowledge of the overall condition of an agency's assets as well as unique considerations regarding their performance. Through a review of previous data collection efforts, this paper details the development of a data collection strategy for assessing the performance of traffic signs maintained by the Utah Department of Transportation (UDOT). Agency operations, site selection, and attribute collection were all considered while developing a collection plan for an agency where limited inventory and installation data was available. Retroreflectivity measurements were taken for 1,433 UDOT signs. This sample provided a snapshot of current compliance and assisted in the selection of an asset management plan for maintaining sign retroreflectivity. Results from the study showed that UDOT’s signs were well over 90% compliant to the MUTCD standards and preliminary management strategies were presented to address vandalism and other damage.
  • This is the author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Transportation Research Board of the National Academies and can be found at: http://www.trb.org/Main/Blurbs/154702.aspx.
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  • Evans, T., Heaslip, K., Boggs, W., Hurwitz, D., & Gardiner, K. (2012). Assessment of sign retroreflectivity compliance for development of a management plan. Transportation Research Record, (2272), 103-112. doi: 10.3141/2272-12
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