相位相序安排与交叉口设计之间的关系

交叉口信号控制中,相位相序的安排与交叉口设计之间存在着非常密切的关系,两者之间需要相互协调、相互适应,才能充分发挥交通信号的效益。目前,由于交叉口设计与相位相序安排不适应造成的交叉口时空资源损失和事故隐患越来越多。另外,多数交通控制系统中对相位相序的优化考虑较少,更少涉及与交叉口设计相适应的调节方法。随着交叉口设计在中国的普及,它的不适应性也会凸显。因此有必要进一步研究两者之间的关系,以更大限度地提高交叉口通行能力利用率,减少事故隐患,同时为智能交通信号控制系统提供优化根据。

The Relationship between Traffic Signal Phasing-Sequence and Intersection Geometry Design

In traffic signal control, signal phasing and sequence have close relationship with the intersection geometry design. Now, more and more waste of intersection resource and accidents are due to incorrect setting of phase, sequence and intersection geometry design. Furthermore, most traffic signal control systems seldom take account of optimization of signal phase and sequence, especially the relationship between Phasing-Sequence and intersection geometry condition. With the development of intersection design in China, these systems can no longer adapt to this change. So it is useful to do further research on this point. It will make more efficient use of intersection resource and give valuable ideas for upgrading the traffic signal control system.