ROAD SPRAY SYSTEM CAPABLE OF CONVENIENT MAINTENANCE AND CONSTRUCTION METHOD THEREOF
COOLING AND CLEAN ROAD SYSTEM CAPABLE OF ADJUSTING A NOZZLE HEIGHT AND CONSTRUCTION METHOD THEREOF
TRAFFIC LIGHTS INTERLOCKED COOLING CLEAN ROAD SYSTEM AND CONSTRUCTION METHOD THEREOF
SYSTEM AND MEHTOD FOR MANAGING ROAD SURFACE CONDITION
SMART CLEAN ROAD SYSTEM FOR ROAD SURFACE WASHING FUNCTION AND ANTI-FREEZE FUNCTION
Roadway antifreeze solution spraying system using environment sensor
System for automatically spraying snow removal agent with snow removal agent spraying nozzle
Road surface condition analysis and salt water spray automatic control system
Black ice accident prevention system using reversible discoloration paint
Road black ice warning sign displayed on the road surface
Road black ice warning sign displayed on the road surface