arxivcs.LG2026-07-17
A Semiparametric Framework for Stochastic Fundamental Diagram Modeling
Pengnan Chi, Xiaoliang Ma, Magnus Jansson, Magnus Nordenvaad
The stochastic fundamental diagram (SFD) provides a probabilistic description of the relationship between traffic density and flow or speed, enabling uncertainty-aware traffic modeling. However, existing stochastic models frequently struggle to accommodate rigorous physical const…