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FAQ: 11 How is the "Top 30%" OOS, Hazmat violations, and crash ratings calculated for an HMSP?
Answer: The "top 30%" is a factor defined by examining ALL motor carriers registered for a USDOT Number. The factor establishes a threshold where in the total population of motor carriers, 30...
Project Goal:
The goals of this study are to: (1) understand the impact of maintenance on safety-based crashes; (2) develop an operational definition of systematic maintenance; (3) evaluate the effect of current...