Idaho's formula for winter maintenance

Nearly half of the Idaho Transportation Department's (ITD) winter maintenance budget is spent on snow-plow operations. ITD manages a large winter maintenance fleet in order to look after the state's varied geography in harsh weather. After finding it difficult to assess how effectively the winter maintenance budget is spent, ITD implemented a new system of key performance indicators (KPIs) to assess the effectiveness of the winter maintenance program. The system uses ITD's network of road weather information sensors (RWIS). The sensors report every 15 minutes on road and weather conditions. The data gathered helps prioritize maintenance work and decide what treatment is appropriate. It initially took time for ITD staff to find the best use for the data from RWIS, and it gradually became an important part of the decision-making process. Winter performance measures are part of ITD's strategic plan: they track the progress of maintaining safe roads, develop cost-effective winter maintenance, and improve uniformity in winter maintenance. The adoption of winter performance measures has helped ITD to improve winter maintenance across the state, and a number of other states have expressed interest in the system.

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  • English

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  • Accession Number: 01494955
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 22 2013 1:09AM