Frequently Asked Questions
The Frequently Asked Questions (FAQs) are questions and answers about Compliance,
Safety, Accountability (CSA) that the Federal Motor Carrier Safety Administration
(FMCSA) compiled to assist the public. As questions come in through the website,
FMCSA adds them to the database along with their answers. If you do not see your
question or topic addressed, please
by submitting a feedback form. We will respond to you directly and consider your
question for inclusion in the FAQs.
The FAQ area has recently been enhanced. Users can now search FAQs by stakeholder
group, topics (displayed on the left side of the page), or by entering a keyword
below. Choosing “Show All” will display the entire collection of FAQs.
How do I improve my percentile ranks in the Safety Measurement System (SMS) Behavior
Analysis and Safety Improvement Categories (BASICs)?
Receiving new inspections that are free of violations will improve a carrier's percentile
rank for the Hours-of-Service Compliance, Driver Fitness, Controlled Substances/Alcohol,
Vehicle Maintenance, and Hazardous Materials (HM) Compliance BASICs. Carriers should
also review the “What can a motor carrier do to improve?” section of the
SMS Information Center. This section provides tips that may help carriers
who want to improve their safety performance. There are numerous tips that will
help carriers improve their SMS percentile ranks and help drivers avoid crashes
and violations. Additional information can be found at How to Improve Your Percentile