无信号十字交叉口的交通流冲突，不仅体现在机动车与机动车之间，行人和机动车之间的冲突也很明显。
The traffic flow conflict at an unsignalised crossing is not only between motor vehicle flows, but also between traffic flow and pedestrian flow.
虽然也有例外，如美铁的亚塞拉和东北快线，这两条线路在十字交叉口对于火车速度限制在50英里/小时以内，对于客车则限速在80英里/小时以内。
With some exceptions on Amtrak's Acela and North East corridor tracks, level crossings are attuned to limits of 50mph for freight and 80mph for passenger trains.
这项IBM的专利称，该红绿灯系统能够被用作十字路口、铁路交叉口的交通信号，或者其他交通信号，来“指示汽车、火车等交通工具熄火与开动的合适时间”。
The IBM patent says the system could be applied to traffic signalsat intersections, railway crossings, or other transportation signals for“indicating correct moments to stop and to proceed.
应用推荐