Development of an on-vehicle type salinity measurement sensor for controlling winter roadway surfaces

In Japan, anti-icing chemicals are used to secure the safety and smoothness of vehicular traffic in the winter season. Especially since the use of spike tires on roads was prohibited, the consumption of such chemicals has been increasing year after year. On the other hand, the desire to reduce the amount of such chemicals to be salted has been mounting in recent years for cost reduction as well as for our concern for the road environment. In turn, the Japan Highway Public Corporation (JH) developed a salinity measurement sensor which can be mounted in a patrol car or a pre-wetted salt spreader to measure salinity in real time and control the amount of chemicals to be salted, and confirmed the measurement accuracy through verification testing in the field. The JH also conducted verification testing on a new method of salinity measurement to optimize the salting amount of chemicals even when the roadway surface is not adequately wet and confirmed that measurement by this method could be achieved.

  • Authors:
    • IWATA, H
    • HIGASHI, H
    • NAKAO, S
  • Publication Date: 2008


  • English

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Filing Info

  • Accession Number: 01109568
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD
  • Created Date: Aug 25 2008 8:41AM