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Abstract:Thermal Mapping surveys were carried out on approximately 1000 miles of the Colorado Department
of Transportation’s (CDOT’s) roads. The purpose of these surveys was to identify road surface
variations across the network to determine whether forecast Thermal Maps or the data from the surveys
would be useful to decision-makers in the CDOT regions. The distribution of road surface
temperatures across the network and identifying Climatic Domains for the regions enabled Vaisala to
look at current weather station locations and whether there were any gaps in coverage.
Implementation
The use of forecast Thermal Maps is one that will be determined by the Boulder maintenance area in
winter 2014/15. The Thermal Maps will be tested using Vaisala RoadsDSS and the final decision on
whether the Thermal Mapping could be valuable to CDOT operations will be made in conjunction with
the decision-makers prior to any statewide implementation plan. Vaisala has advised on potential
weather station locations based on the Thermal Map findings which would complement the current
setup.
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