Intelligent system of bus rapid transit—Part 7:Interface specifications between public transport priority device and traffic signal control
全国智能运输系统标准化技术委员会(SAC/TC 268)
GB/T 31455的本部分规定了公交优先设备与交通信号控制机（以下简称信号机）进行数据通信的体系结构、接口规范及检验规则。
本部分适用于公交优先设备与信号机通过开关量及串行总线进行通信的方式。
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