4.3 Article

Route intersection reduction with connected autonomous vehicles

Journal

GEOINFORMATICA
Volume 25, Issue 1, Pages 99-125

Publisher

SPRINGER
DOI: 10.1007/s10707-020-00420-z

Keywords

Road networks; Traffic management systems; Streaming traffic data; Route assignment; Shortest path

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One common cause of traffic congestion is the concentration of intersecting vehicle routes. The development of connected autonomous vehicles offers the opportunity to address this issue by coordinating vehicle routes globally.
A common cause of traffic congestions is the concentration of intersecting vehicle routes. It can be difficult to reduce the intersecting routes in existing traffic systems where the routes are decided independently from vehicle to vehicle. The development of connected autonomous vehicles provides the opportunity to address the intersecting route problem as the route of vehicles can be coordinated globally. We prototype a traffic management system for optimizing traffic with connected autonomous vehicles. The system allocates routes to the vehicles based on streaming traffic data. We develop two route assignment algorithms for the system. The algorithms can help to mitigate traffic congestions by reducing intersecting routes. Extensive experiments are conducted to compare the proposed algorithms and two state-of-the-art route assignment algorithms with both synthetic and real road networks in a simulated traffic management system. The experimental results show that the proposed algorithms outperform the competitors in terms of the travel time of the vehicles.

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