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Describe the process of how an intervention is selected, including: what are the carrier Safety Measurement System (SMS) thresholds that trigger the interventions?

April 26, 2017intervention measurement process safety Selected SMS system thresholds

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Describe the process of how an intervention is selected, including: what are the carrier Safety Measurement System (SMS) thresholds that trigger the interventions?

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Interventions are selected based on the following factors: Number of Behavior Analysis and Safety Improvement Categories (BASICs) percentiles above the threshold (Note: high BASIC percentile indicates high non-compliance), commodity hauled (e.g., Passengers, Hazardous Material), intervention history, and time since last intervention. The intervention thresholds for carriers are organized by BASIC and are set based on the BASIC’s relationship to crash risk. Analysis conducted by FMCSA has shown that the strongest relationship to crash risk is found with high percentiles in the Unsafe Driving BASIC, Fatigued Driving BASIC, and the Crash Indicator. Therefore these higher risk BASICs/Indicator have a lower percentile threshold for interventions than the other BASICs .