Abstract
The study focuses on the artificial intelligence empowered road vehicle- train collision risk prediction assessment, which may lead to the development of a road vehicle-train collision avoidance system for unmanned railway level crossings. The study delimits itself around the road vehicle-train collisions at unmanned railway level crossings on single line rail-road sections. The first objective of the study revolves around the rail-road collision risk evaluation by the development of road vehicle-train collision frequency and severity prediction model using Poisson and Gamma-log regression techniques respectively. Another study objective is the collision modification factor implementation on predicted risk factors, to reduce the road vehicle-train collision risk at the crossings. The collision risk has been predicted to be 3.52 times higher and 77% lower in one direction while in other directions it is 2.95 times higher and 80% lower than average risk at all unmanned railway level crossings. With collision modification factor application on higher risk contributing factors i.e. `crossing angle' and `train visibility, it predicts to reduce the road vehicle-train collision risk to 85% approximately.
Highlights
A railway level crossing is a place where rail and road cross each other at the same level
The rank status based on road vehicletrain collision rate increases in comparison to rank based on road vehicle-train collision frequency in case of 17-C, 34-C, 35-C, 50-C, 67-C, 72-C, 93-C, 103-C, 110-C, 122-C, 133-C, 136-C, and 140-C road vehicle-train collision unmanned railway level crossings, while it decreases in case of road vehicletrain collision unmanned railway level crossings viz. 14-C, 16-C, 21-C,43-C, 82-C, and 87-C
In this paper, the road vehicle-train collision risk prediction assessment model based on AI has been developed for accident avoidance of road vehicles approaching the unmanned railway level crossings
Summary
A railway level crossing is a place where rail and road cross each other at the same level. The approaching train has a higher priority to pass over the unmanned railway level crossings in comparison to the road vehicles and pedestrians approaching the railway crossings. No control over road vehicle-train collisions at unmanned railway level crossings. The level crossing accidents per million train km has been 4 times higher than the level crossing accidents per million train km statistics of France, while it is 2 times higher in comparison to the level crossing accidents per million train km in Japan [1]. The Indian accident scenario goes to the worst possible statistics with deaths per level crossing being 14 times and 7.58 times higher in comparison to deaths per level crossing in France and Japan.
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