In this study, we introduce the technology that provides the driver with the information related to the traffic information application such as the traffic center or T-map when the slippery situation occurs on the road by collecting the slip information by the vehicle speed on the road surface. Road surface detection technology collects road surface information by using black box and DTG which are installed in commercial vehicles and detects dangerous sections for road safety. It transmits information to a traffic center and transmits it to a rear vehicle driver It is aimed at delivering safe driving information.