StudiesKurtc, ValentinaTreiber, Matrin of bicycle flow are important for design and operation of bicycle facilities. We conjecture that there is no qualitative difference between vehicular and bicycle trafficBicycle traffic flow dynamics in the single-file case, so the latter can be described by reparameterized car-following modelsCar-following model. To test this hypothesis, we reproduce German and Chinese ring-road bicycle experiments with the Intelligent-Driver Model (IDM) and with the Necessary-Deceleration-Model (NDM), which is specifically designed for bike traffic. Comparing their fit quality (calibrationCalibration) and predictive power (validationValidation), we find similar quality metrics for both models, so the above hypothesis of a qualitative equivalence cannot be rejected. The NDM represents significant calibration errors for high flow densities, which correspond to flow states with stop-and-go wavesStop-and-go waves. By means of two validation methods, we discover that inter-driver variation is much higher than the intra-driver variation for bicycle trafficBicycle traffic. It coincides with the results obtained from vehicular traffic experiments.
Single-File Dynamics of Cyclists: Two Experiments and Two Microscopic Models
Springer Proceedings Phys.
2020-11-17
7 pages
Article/Chapter (Book)
Electronic Resource
English
Bicycle traffic , Ring-road experiment , Car-following model , Stop-and-go waves , Calibration , Validation Physics , Soft and Granular Matter, Complex Fluids and Microfluidics , Transportation Technology and Traffic Engineering , Complex Systems , Computer Appl. in Social and Behavioral Sciences , Statistical Physics and Dynamical Systems , Physics and Astronomy
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