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GEWI/BMW: Local Hazard Warning
GEWI and BMW will demonstrate Local Hazard Warning (LHW) applications that provide an in-vehicle alert delivered to drivers approximately a mile in advance of encountering a hazard such as a work zone, rolling construction, or emergency response vehicle. As the distance between the approaching vehicle and the hazard decreases, the frequency of the in-vehicle notification increases. LHW data can include location of the hazard, type of hazard, lanes blocked, and other information. This data is created automatically (or manually) by an on-board device and transmitted by cellular communications to a traffic control center. The traffic control center then processes this data, combining the LHW data with any other available data, processing the data in TPEG format for broadcast to the vehicle. Early tests of LHW have been extremely well received and the in-vehicle advance warning to drivers is expected to help reduce deadly high speed crashes now experienced when vehicles unexpectedly encounter road hazards. By 2012, LHW will be available as a service to drivers in Germany, and this summer LHW road tests will be performed in the German state of Hessen by GEWI and BMW.
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