Black-hole analog in vehicular traffic

We propose here a simple black-hole analog in vehicular-traffic dynamics. The corresponding causal diagram is determined by the propagation of the tail light flashes emitted by a convoy of cars on a highway. In addition to being a new black-hole analog, this illustrates how causal diagrams, so commo...

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Bibliographic Details
Published in:American journal of physics 2022-09, Vol.90 (9), p.692-696
Main Authors: de Souza, Luanna K., Matsas, George E. A.
Format: Article
Language:English
Subjects:
Automobiles
Black holes
Causality
Roads & highways
Traffic
Traffic accidents & safety
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Summary:We propose here a simple black-hole analog in vehicular-traffic dynamics. The corresponding causal diagram is determined by the propagation of the tail light flashes emitted by a convoy of cars on a highway. In addition to being a new black-hole analog, this illustrates how causal diagrams, so common in general relativity, may be useful in areas as unexpected as vehicular-traffic dynamics.
ISSN:0002-9505
1943-2909
DOI:10.1119/5.0091957