Role of land navigation in a vehicular hazard warning system

The In-Vehicle Safety Advisory and Warning System is a Federal Highway Administration program to develop a nationwide vehicular information system that provides drivers with advance, supplemental notification of dangerous road conditions using electronic warning zones with precise areas of coverage. The goal is to ameliorate the severity of scenarios which are particularly hazardous and have remained hazardous despite traditional crash reduction techniques such as mechanical signing. This system provides additional safety by enhancing the real time interaction between the general driving public and professional agencies. While appropriate for both urban and rural settings, the primary focus of IVSAWS is the rural transportation environment