(John D. Schulz – Logistics Management)
The long-awaited government scientific report on the data used to compile motor carrier safety ratings for hundreds of thousands of trucking companies is backing truckers complaints that some of that data is junk.
While the Federal Motor Carrier Safety Administration’s (FMCSA) Safety Measurement System (SMS) used to identify commercial motor vehicle carriers at high risk for future crashes is conceptually sound, the report concluded, several features of its implementation need improvement.
That’s according to a new congressionally mandated report from the National Academies of Sciences, Engineering, and Medicine. The NAS recommended that over the next two years, FMCSA develop a more statistically principled approach for the task, based on an item response theory (IRT) model. That’s an approach that has been applied successfully in informing policy decisions in other areas such as hospital rankings. Click here to read more.