Online Resource 1 for: Warning before the point of no return: an onboard early-warning architecture for driver-operated high-speed railways

Online Resource 1 (supplementary material) for the preprint “Warning before the point of no return: an onboard early-warning architecture for driver-operated high-speed railways” (https://doi.org/10.5281/zenodo.23900330). It specifies the proposed evaluation protocol: the replay platform and locked scenario set, feasibility-based endpoints and research screening thresholds, and the driver non-inferiority study. Preprint; not peer reviewed. No experiments have been conducted and no results are reported.