Since 2007, 21 percent of all crashes—nearly 1.21 million in total—occurred under adverse weather conditions. Each year, nearly 6,000 people die and over 445,000 are injured in weather-related crashes. Adverse weather accounts for 25 percent of non-recurring traffic delays, which impacts our economy by $10 billion per year.

Weather responsive management strategies (WRMS) provide relevant and timely information to agencies needing appropriate traffic intervention methods to mitigate the impacts of weather-related road and traffic conditions. WRMS also promotes the use of road weather data from mobile and connected vehicle technologies to support traffic and maintenance management strategies during inclement weather. By adopting WRMS technologies, agencies can proactively manage road systems before negative impacts occur.

These customizable strategies can help address any region’s unique weather needs. Northern states with winter weather impacts can use WRMS for ideas on anti-icing, de-icing, snowplow routing, material usage and snow removal. Southern states with more temperate weather impacts could use WRMS for ideas on flooding response and recovery, low visibility mitigation, asset management and pavement preservation. WRMS have also helped agencies prepare for unique events such as wildfires, avalanches, hailstorms, eclipses and man-made disasters.

WRMS Benefits

  • Safer Roads. Agencies can use traffic management and traveler information systems to reduce delays and crashes resulting from adverse weather.
  • Informed Travelers. Agencies can provide weather impact statements that enable drivers to make better decisions regarding whether, when, and where to travel.
  • Environmental Sustainability. Agencies can reduce the negative impacts of snow and ice materials by ensuring the right quantities of chlorides and other chemicals are only applied when warranted.

To learn more about WRMS, watch the orientation webinar or visit the web page for best practices, publications, and training opportunities. For more information, or to get assistance from our team in implementing WRMS in your agency, contact David Johnson with the FHWA Office of Operations.


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