It provides real-time traffic flow data for the Intelligent Construction Project of the Road Traffic Signal Control System for the "Two Districts and One Line". With the area within the Second Ring Road of Beijing as the core zone, Marui Data’s wireless geomagnetic detection systems have been deployed at 53 road intersections, including those along Chang’an Avenue and in the vicinity of the National Centre for the Performing Arts and the Great Hall of the People. These systems work with the Siemens SCOOT signal system to implement actuated signal control.