Solar traffic lights manufacturer about the so-called electronic identity card, installed above the windshield in front of the bus, choose the RFID radio frequency identify skills, after crossing induction equipment, send traffic priority order, adjust the traffic condition (electronic identification card to identify the scale is now parking line 70 meters at the mercy of).

Specifically, if the bus is in the green light at the end into the intersection, the green light to extend active time of 1 to 8 seconds, guarantee the bus with no parking smoothly through the intersection. If the bus location direction for a red light and green light will be 8 seconds to launch early, to ensure that enter the intersection of bus in the shortest waiting time through the intersection.

Reported that since the trial on August 1, each intersection uniform every day for more than 300 trains supply of bus priority, no parking priority of each car, can be cut at least 34 seconds (people treasure 42 seconds, May 26 seconds) of red light waiting for the moment, even every day cut the bus waiting time 10200 seconds, 2.8 hours accumulated savings.