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- 353.9805 387
- Periodicals 387
- Transportation -- Safety measures 387
- Transportation -- Security measures 387
- Transportation -- Security measures -- United States -- Periodicals 387
- Transportation -- United States -- Safety measures -- Periodicals 387
- United States 387
- Dark -- injury severity -- intersection -- lighting -- random parameter -- rural 2
- Safety behaviors -- work-family conflict -- conscientiousness -- extroversion -- high-speed Railway 2
- crash injury severity analysis -- out-of-state driver -- multilevel thresholds of change model -- parallel lines assumption -- unobserved heterogeneity 2