| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a traffic control system which is capable of monitoring whether each equipment is normally operating by realizing a gate obstacle detection function of detecting obstacles occurring in equipment at an entrance gate and an exit gate for ETC (electronic toll collection). <P>SOLUTION: In the traffic control system utilizing ETC, an ETC server 11 detects the occurrence of obstacles at the entrance gate and the exit gate for ETC by executing matching processing, using entrance detailed information transmitted from the entrance gate for ETC and exit detailed information transmitted from the exit gate for ETC. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
