Nearly Two-Thirds of Fatal I-15 Crashes Occur on Weekends in San Bernardino County
We pulled every police-reported injury from I-15 accidents in San Bernardino County from the Transportation Injury Mapping System, UC Berkeley’s statewide crash database, between 2021 and 2025, for a total of roughly 4,800. The data reveals exactly when and where this freeway is most dangerous—along with one surprising piece of good news.