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A Lane-Based Analysis of Stochastic Breakdown Phenomena on an Urban Expressway Section

机译：城市高速公路路段随机故障现象的车道分析

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In this study, stochastic breakdown phenomena on a two-lane section of a Japanese urban expressway are analyzed and modeled. Because the bottleneck of the subject section is supposed to be a complex geometry with an on-ramp, a horizontal curve and an uphill, analysis is conducted not only by cross section but also by lane to understand the characteristics of breakdowns in detail. For such a detailed analysis, applicability and limitation of the detector data with different aggregation intervals are also considered. Through the analysis, it is found that about 40% of breakdowns in the section occur first on the shoulder lane; one of the causes would be higher merging traffic volume. The estimation of breakdown probability shows that the capacity of the median lane is about 300-veh/h greater than that of the shoulder lane. Furthermore, it is found that the discharge flow rate deteriorates as the elapsed time after breakdown increases, especially at the beginning of congestion.
机译：在这项研究中，对日本城市高速公路两车道部分的随机故障现象进行了分析和建模。由于本节的瓶颈应该是复杂的几何图形，具有匝道，水平曲线和上坡路，因此不仅要通过横截面而且还要通过车道进行分析，以详细了解故障的特征。对于这样的详细分析，还考虑了具有不同聚合间隔的检测器数据的适用性和局限性。通过分析发现，该断面中约有40％的故障首先发生在路肩上。原因之一是合并流量较高。击穿概率的估计表明，中线车道的通行能力比路肩车道的通行能力大300时速/小时。此外，发现随着故障后的经过时间增加，尤其是在拥堵开始时，排出流量恶化。

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