During the peak period, the lane change behavior of the interweaving area will seriously affect the operation of the highway traffic, especially when the confluence area and the diversion area are very close. This interweaving has a major impact on capacity, and many studies have focused on capacity estimation models in interwoven regions. However, since it is difficult to directly use the estimation model in actual traffic to estimate the real-time maximum passing traffic. Therefore, this study defines a linear optimization problem to represent the high-speed road interleaving ability, and then establish a lane change model to constrain the interweaving behavior. The proposed method was specifically evaluated and analyzed in the field data of the actual case. The estimated value of the capacity estimation model is consistent with the results of the 2010 HCM. In addition, it has been observed that the lane change behavior has a great influence on the actual traffic capacity of the interweaving zone.%在高峰期,交织区的车道变换行为将会严重影响高速公路车流的运行,尤其在合流区和分流区域非常接近的时候.这种交织现象对通行能力有重大影响,许多研究致力于交织区的容量估算模型.然而,由于在实际交通中难以直接采用估计模型来估计实时最大通过车流量.因此文章研究定义了一个线性优化问题来表示高速路交织能力,然后建立一个车道变换模型来约束交织行为.在实际案例的现场数据中具体评估和分析了所提出的方法,容量估算模型的估算值与《2010年美国通行能力手册》结果一致.此外,还观察到换道行为对交织区实际通行能力影响很大.
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