This report provides insight into how existing vehicle sensor data (e.g., location, heading, road surface and atmospheric conditions) can be utilized by the CVI environment to support transportation safety through road-weather applications. Of special interest are those road-weather infrastructure applications that compile relevant information for key potential end-users. A set of road-weather related vehicle variables was identified using the SAE J2735-2015 Basic Safety Message (BSM) as a reference for parameter definition. The availability of these variables to support road-weather applications was analyzed for a set of representative high volume production vehicles. Subsequently, a Dynamic Road Surface Mapping (DSRM) system concept was proposed that would crowd source vehicle-based assessment(s) of road surface conditions using wireless communications for aggregation and distribution locally to improve vehicle based safety application performance and to back-end infrastructure to support road-weather applications.
United States. Federal Highway Administration. Road Weather Management Program ...
2017-01-01
Abstract:
FHWA’s Road Weather Management Program developeda Prototype Road Weather Management (RW-PM) Toolto help DOTs maximize the effectiveness of their mai...
Weather has a significant impact on the operations of the nation’s roadway system year round. For example, rain reduces pavement friction; winter we...
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United States Department of Transportation
[PDF-1.80 MB]
