knowledge regarding road weather conditions. Following the discussion in this chapter of the affects weather has on the roadway environment, the committee’s vision for the road weather system of the future is presented in Chapter 2. A review of the current activities and technologies relevant to the meteorological and transportation communities is provided in Chapter 3, including current observational and modeling capabilities of both weather and the roadway environment, forecasting capabilities, operational activities, and tools. Chapter 4 builds on the previous chapter by presenting the committee’s recommendations for achieving the vision of the future operational road weather system based on identified gaps and new areas of needed research. In Chapter 5 the committee outlines a recommended coordinated national program to guide road weather research and transition scientific and technological advances into operations. The committee hopes that this report provides a useful framework to engage the transportation and weather communities and relevant stakeholders in the development of a strategic plan to guide road weather research.

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