Process and system for ascertaining traffic conditions using sta
Process for transmitting information between moving bodies...
Providing sponsorship information alongside traffic messages
Providing sponsorship information alongside traffic messages
Radar based highway safety warning system
Radar/laser detection device with multi-sensing and...
Radio frequency highway management system
Radio frequency identification tag and a method of operating...
Receiver for traffic messages
Receiver for use in a remote keyless entry system and for receiv
Reflectivity measuring apparatus and method
Relative visibility measuring process and device
Retrieving and presenting dynamic traffic information
Road map displaying system for automotive vehicle
Road obstacle monitoring device
Road safety installation with emission of sound messages
Road situation perceiving system
Road traffic congestion display system
Road traffic weather-monitoring system and self-luminous...
Road-condition informing apparatus and road-condition...