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Advance Tunnel Warning System
技术
- 传感器 - 相机/视频系统
适用行业
- 运输
适用功能
- 物流运输
用例
- 交通监控
挑战
俄勒冈州交通部已经实施了一个预警系统,提醒进入隧道的司机注意隧道出口处存在缓慢或停止的交通。该系统使用 SmartSensor Advance 和 Matrix 单元的组合来检测流量;如果存在某些情况,系统会激活一个闪烁的标志,警告驾驶员减速。俄勒冈州的交通官员在波特兰以东的 84 号州际公路和 205 号州际公路之间的交汇处面临着危险的交通状况:由于司机不知道他们前面的交通已经减速或停止,因此发生了大量追尾事故。问题发生在一条隧道,司机必须进入该隧道才能从 I-84 西行并入 I-205 南行。隧道后有一个急转左转,交通经常倒流到隧道出口,尤其是在拥堵高峰期。全速进入隧道的司机不知道他们前面的情况,也看不到转弯处停止的交通。
客户
俄勒冈州交通部
关于客户
俄勒冈州交通部
解决方案
ODOT 信号经理 Doug Anderson 与 ATP 合作,在左转附近安装了两台 SmartSensor Advance 装置和一台 SmartSensor Matrix:一台 Advance 检测并道匝道上的交通备份;另一个Advance面向隧道出口,以检测转弯开始时的交通速度; Matrix 传感器面向东方,以检测转弯时停止的交通。如果任何或所有传感器检测到交通缓慢或停止,检测将触发隧道入口处的闪烁消息标志,警告驾驶员减速。
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