Abstract
Regional Traffic Signal Control (RTSC) is believed to be a promising approach to alleviate urban traffic congestion. However, the current ecology of RTSC platforms is too closed to meet the needs of urban development, which has also seriously affected their own development. Therefore, the paper proposes virtualizing the traffic signal control devices to create software-defined RTSC systems, which can provide a better innovation platform for coordinated control of urban transportation. The novel architecture for RTSC is presented in detail, and microscopic traffic simulation experiments are designed and conducted to verify the feasibility.
Highlights
Nowadays, traffic congestion has become a shared challenging problem in many big cities around the world
The simulated traffic scenes and traffic signal controllers are treated as the infrastructure layer of S-regional traffic signal control (RTSC), and the traffic signal controllers in TransWorld are reconstructed to act as the actual ones which can accept remote control by network
The paper proposes a software-defined RTSC architecture which overcomes the shortages of the traditional ones
Summary
Traffic congestion has become a shared challenging problem in many big cities around the world. As the essential component of urban transportation management, traffic signal control has been applied for a very long time in history [1, 2]. Devices (e.g. ramp lamp, reversible lane lamp, and variable lane lamp) emerge in the urban area These devices require collaborative control, such as traffic control practices in the United States [6] and Europe [7]. Zhang et al work on traffic signal control of a heterogeneous traffic network with signalized and non-signalized intersections [13] These realistic challenges place extremely high demands on RTSC systems. By adding software virtualization of TSC devices, S-RTSC overcomes the lacks of the existing RTSC platforms, and enables innovation in urban transportation management.
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