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Simulation-Based Evaluation of a New Integrated Intersection Control Scheme for Connected Automated Vehicles and Pedestrians
Transportation Research Record: Journal of the Transportation Research Board ( IF 1.6 ) Pub Date : 2020-09-11 , DOI: 10.1177/0361198120949531
Tanja Niels 1 , Nikola Mitrovic 2 , Nemanja Dobrota 3 , Klaus Bogenberger 1 , Aleksandar Stevanovic 3 , Robert Bertini 4
Affiliation  

In a fully connected traffic environment with automated vehicles, new traffic control strategies could replace traditional traffic signals at intersections. In recent years, several studies about reservation-based intersection control strategies have been published, and a significant increase in capacity was shown. In the strategies presented so far, other road users usually play a minor role or are not considered at all. However, many use cases of automated driving occur in urban environments, where pedestrians and bicyclists play a major role. In this paper, a novel strategy for integrating pedestrians into automated intersection management is introduced and compared with a fully actuated traffic (AT) signal control. The presented control consists of a first-come, first-served strategy for vehicles in combination with an on-demand traffic signal for pedestrians. The proposed intersection control is explained, implemented, and tested on a four-leg intersection with several lanes coming from each direction. It dynamically assigns vehicles to lanes, and vehicles follow a protocol that enables cooperative lane-changing on the approach to the intersection. Demand-responsive pedestrian phases are included in such a way that predefined maximum pedestrian waiting times are not exceeded. A set of demand scenarios is simulated using a microsimulation platform. The evaluation shows that the presented control performs significantly better than the AT control when considering low, medium, and high traffic demand. Pedestrian waiting times are slightly improved and at the same time vehicle delays are substantially decreased. However, the control needs to be improved for scenarios with a very high vehicle demand.



中文翻译:

基于仿真的联网自动驾驶和行人综合交叉口控制方案评估

在具有自动车辆的完全连接的交通环境中,新的交通控制策略可以代替交叉路口的传统交通信号。近年来,已经发表了一些有关基于保留的交叉口控制策略的研究,并且显示出容量的显着增加。在到目前为止提出的策略中,其他道路使用者通常只扮演次要角色或根本没有被考虑。但是,许多自动驾驶用例出现在城市环境中,其中行人和骑自行车的人起着主要作用。本文介绍了一种将行人集成到自动交叉路口管理中的新颖策略,并将其与全驱动交通(AT)信号控制进行了比较。呈现的控件由先到先得,先行服务策略,结合行人按需交通信号。所建议的交叉路口控制将在四腿交叉路口上进行解释,实施和测试,每个方向都有多个车道。它动态地将车辆分配给车道,并且车辆遵循协议,该协议允许在通往交叉路口的道路上进行协作车道转换。需求响应的行人阶段以不超过预定义的最大行人等待时间的方式包括在内。使用微仿真平台可以模拟一组需求场景。评估表明,在考虑低,中和高流量需求时,提出的控件的性能明显优于AT控件。行人的等待时间略有改善,同时车辆的延误时间大大减少。但是,对于车辆需求量很大的情况,需要改进控制。

更新日期:2020-09-12
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